
OCH791 _59
6606 (A6): Signal communication error with transmission proces-
sor
Abnormal points and detection methods
• The data of unit/transmission processor were not nor
-
mally transmitted.
• The address transmission from the unit processor was
not normally transmitted.
Causes and checkpoints
• Accidental disturbance such as noise or lightning surge
• Hardware malfunction of transmission processor
Diagnosis of failure
Replace the controller.
(Defect of error source controller).
There is no abnormality on the AC unit.
It might be caused by an external noise, so
check the transmission line to remove the
factor(s).
Turn the power OFF of indoor/outdoor unit,
Fresh Master, Lossnay and remote controller
simultaneously for 2 minutes or more, then turn
the power back ON.
Does it operate normally?
Yes
No
Содержание CITY MULTI PUMY-P200YKM3
Страница 20: ...OCH791 _20 6 OUTLINES AND DIMENSIONS Unit mm ...
Страница 21: ...OCH791 _21 7 WIRING DIAGRAM ...
Страница 103: ...OCH791 _103 Photo 16 Accumulator Inlet Outlet Photo 17 Accumulator Accumulator leg Accumulator leg fixing screws ...
Страница 106: ...OCH791 _106 11 ELECTRICAL WIRING Refer to installation manual 6 Electrical work for details ...