Symptoms
Code Symptoms XPR models XPR action Code cancels with...
733 There is an overcurrent condition for valve V4 at the
PCB in the TorchConnect console.
734 There is an overcurrent condition for valve V5 at the
PCB in the TorchConnect console.
735 There is an overcurrent condition for valve V6 at the
PCB in the TorchConnect console.
736 There is an overcurrent condition for valve V7 at the
PCB in the TorchConnect console.
737 There is an overcurrent condition for valve V8 at the
PCB in the TorchConnect console.
738 There is an overcurrent condition for valve V9 at the
PCB in the TorchConnect console.
739 There is an overcurrent condition for valve V10 at the
PCB in the TorchConnect console.
740 There is an overcurrent condition for valve V11 at
the PCB in the TorchConnect console.
741 There is an overcurrent condition for valve V12 at
the PCB in the TorchConnect console.
All models Ramp down • Set process
• Remote on-off
Corrective action
1. Examine the wiring for the valve.
2. Connect the valve wire to another valve.
If the diagnostic code goes away, the valve is bad.
3. Replace the bad valve.
4. If the code continues, examine the leads, and make sure that the continuity in the leads is good.
5. If the continuity is good and the code continues, replace the control PCB in the TorchConnect
console.
Fan diagnostic codes diagram
Each fan is related to a different diagnostic code.
Diagnostics and Troubleshooting
8
368
811530 Instruction Manual XPR460
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