Climate Wizard CW3 / CW6S - FC13 exhaust (top) motor and FC7 supply (bottom) motor diagnostics - motor relay or exhaust or supply motor
- Exhaust Motor = Top Motor
- Supply Motor = Bottom Motor
- Follow the text printed on the PCBA and not the orientation of the board connections
PICTURE 1 - Motor Communication Cable Connections
PICTURE 2 - Motor Power Cables Connections
FC13 - Motor Error Exhaust Fan
For investigating an Exhaust Motor Fault (FC13)
- Enter MagIQtouch Service Screen - SETTINGS/SERVICE/CW3/7378/SERVICE OPERATING SCREEN
- Turn on “Supply Fan” at any speed
- Confirm Supply Fan runs with no issues – You now have a known good motor and relay
- Turn on “Exhaust Fan” at any speed
- Confirm Exhaust Motor does not run – Fault is either with motor or relay
- Turn off unit
- Swap “Motor Top Signal” and “Motor Bottom Signal” cables on PCBA (picture 1 attached). These are the motor communication cables.
- Swap “Motor Top” and “Motor Bottom” cables on PCBA (picture 2 attached). These are the motor power cables.
- Turn on unit
- Enter MagIQtouch Service Screen - SETTINGS/SERVICE/CW3/7378/SERVICE OPERATING SCREEN
- Turn on “Supply Fan” at any speed
- If Exhaust Motor fails to run, issue is with the Motor – replace Motor
- If Exhaust Motor runs, issue is with the Relay
- Turn on “Exhaust Fan” at any speed
- If Supply Motor fails to run, issue confirmed as the Relay – replace PCBA.
FC7 - Motor Error Supply Fan
For investigation a Supply Motor Fault (FC 7), use the same as above, but swap the words Exhaust and Supply
