Honeywell CL20AE Owner's Manual page 19

PROBLEM
The unit does not respond
TROUBLESHOOTING GUIDE
POSSIBLE CAUSE
Remote control batteries.
Damaged PCB
SOLUTION
Check batteries, Replace if
needed. Try to operate using
the control panel.
Try with remote control. If the
unit responds, PCB board
fasteners may be loose.
Contact service centre.
If neither remote control nor
control panel works, PCB
board may be damaged.
Contact service centre.
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