Troubleshooting
TS07: Indoor PCB / Display board communication error diagnosis and solution
Description
: Indoor PCB does not receive feedback from the display board.
Recommended parts to prepare:
• Communication wire
• Indoor PCB
• Display board
Troubleshooting and repair
:
Is it still displaying the error code?
The unit functions normally
Check the wirings and connections
Are all the connections
good?
Replace the indoor main PCB
Does the error still exist?
Replace the display board
Power off, then restart the unit 2 minutes
later
Ensure a proper connection
YES
NO
NO
YES
34
Summary of Contents for COLONNA CLN130R
Page 3: ......
Page 6: ......
Page 7: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...
Page 19: ...Specifications 7...
Page 20: ...Outdoor unit printed circuit board diagram 17122000041841 Specifications 8...
Page 22: ...Outdoor unit DC motor driver board diagram 17122000021912 5 6 1 2 3 4 Specifications 10...
Page 41: ...Indoor Unit Disassembly 2 1 Dimension...
Page 57: ...Outdoor Unit Disassembly 3 2 Dimension UECS130R...
Page 100: ...For some models 33...