631 Chair Wired Controls Test and Repair
To isolate a malfunction, try activating the inoperable function(s) from hand control and foot control.
If function(s) are inoperable from the foot / hand control
1.Plug the foot / hand control into another connection port.
2.Secure Inlet harness connection(s) on Machine Control PC Board. J2 thru J5 and J8 thru J11 are interchangeable.
3.If function(s) are operable - LED illuminated replace Inlet harness at malfunctioning connection port.
4.If function(s) are still inoperable - LED not illuminated perform the Foot / Hand Control Test.
Foot / Hand Control Test
| Activity | Definition | Solution |
|---|---|---|
| PWR D5 LED | ||
| On Continuously | Controller has power | Controller is good |
| Off | Malfunction, No power | Replace Controller |
|
COM D6 LED |
||
| On Continuously | No activity | Controller is good |
| Slow Flashing | Communicating | Controller is good |
| Fast Flashing | Malfunction | Replace Controller |
| Off | No power | Replace Controller |
