Troubleshooting Flowchart - Friedrich VRP12K Service And Parts Manual

Troubleshooting Flowchart

Active error code
Refer to Diagnostic Codes
Chart and Troubleshoot
accordingly
159
TROUBLESHOOTING
Verify smart at wall
controller
Confirm firmware
Check for diagnostic codes
Figure 702 (Troubleshooting Flowchart)
No error code
Abnormal board lights?
Voltage correct?
Connectors plugged in and secure?
Does a system reset resolve the issue?
Rule out
components