[Situation]The product is giving a display to indicate that it is performing forcible cooling.
(This is not a sign of a breakdown.)
[Estimated failure locations]
・ Meltdown of the terminal board temperature fuse (the terminal board poorly inserted into
the F cable)
・ Outdoor communication circuit out of order
[Cautions]
[Diagnosis flow]
[Situation] The timer lamp blinks three times and the product will not operate.
・ If a terminal board is replaced to counter the meltdown of the terminal board temperature
fuse, ensure that the F cable to be inserted into the terminal board has the appropriate
dimension for peeling the insulation sheathing and that the insertion region is unbent before
inserting it into the terminal board securely.
6. Timer lamp blinking: blinking twice
7. Timer lamp blinking: blinking three times
[Situation]
(This is not a sign of a breakdown.)
The timer lamp blinks one time and the product will not operate.
[Estimated failure locations]
・ Reversing valve defective.
[Diagnosis flow]
Please see the mian circuit
presentation of page 71
・
The refrigerating cycle block gas leak.
・ Replace the indoor. control P.W.B.
5. Timer lamp blinking: blinking once
93
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