M3 Sterilizer General System Error Codes: C760 to C778 Troubleshooting
Items Not Sterile message will be displayed if an error occurs in any of the following modes: Close mode, Heat Up Mode, or Sterilize Mode. Otherwise, message will not appear. This message is intended to indicate to the user that the items in the chamber may or may not be sterile, and must be reprocessed.
C760: Power Up Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C760: POWER UP MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C761: Select Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C761: SELECT MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C762: Close Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C762: CLOSE MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C763: Heat Up Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C763: HEAT UP MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C764: Sterilize Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C764: STERILIZE MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C765: vent Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C765: VENT MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C766: Open Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C766: OPEN MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C767: Dry Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C767: DRY MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C768: Complete Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C768: COMPLETE MODE BOILER TEMP HARDWARE ITEMS NOT STERILE TURN POWER OFF/ON A/D converter reports boiler temperature input value outside the normal limits. |
Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| Boiler not functioning properly. | Boiler Test. | Replace boiler if necessary. | |
| PC Board is not processing temperature input(s) properly. | Verify boiler temperature sensor is working properly. | Replace PC board, if necessary. |
C770: Power Up Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C770: POWER UP MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C771: Select Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C771: SELECT MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C772: Close Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C772: CLOSE MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C773: Heatup Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C773: HEAT UP MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C774: Sterilize Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C774: STERILIZE MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C775: Vent Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C775: VENT MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C776: Open Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C776: OPEN MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C777: Dry Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C777: DRY MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
C778: Complete Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C778: COMPLETE MODE BOILER TEMP OVER LIMIT ITEMS NOT STERILE TURN POWER OFF/ON Boiler temperature is greater than 340° F (171.1° C) |
Steam not being released from chamber. | Check for obstruction in plastic tube connecting unit to external condensing tank | Unkink plastic tube, remove obstruction, or replace. |
| Check copper coil in external condensing tank for blockage or damage. | Clear obstruction or replace copper coil. | ||
| Check vent port in chamber for blockage. Check filter for blockage. | Clear obstruction in vent port. Clean or replace filter. | ||
| Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. | Clean or replace vent valve. | ||
| Boiler temperature sensor disconnected at PC board. | Check for loose or broken wire connections at J10 on PC board. | Secure wire connections. | |
| Boiler temperature sensor not functioning properly. | Temperature Sensor Resistance Test. | Replace boiler temperature sensor. | |
| PC Board is not processing temperature input(s) properly | Verify boiler temperature sensors is working properly. | Replace PC board, if necessary. |
