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(4) Procedure of failure diagnosis (when the air conditioner can run)
Note: (1) When only stop data is indicated, the air conditioner is normal. However, when the same
protection is triggered repeatedly (more than 3 times), which becomes the user’s complaint, it
should be judged according to the content of failure.
Confirm the content of failure of the user’s air conditioner.
Is the cause of error
confirmed?
No
No
No
Yes
Yes
Yes
Yes
No
Confirm the displaying of self-diagnosis.
Eliminate the cause of error and check the
operation situation.
Has the self-diagnosis been
conducted?
Use the maintenance mode to read the past
indication of self-diagnosis
Is there any history of
indication of self-diagnosis?
Use the maintenance mode to read the history
of stop due to the past protection control.
Is there any history of stop
due to protection control?
(1)
Specifically check the defective part against
the content of failure according to the check
method.
Replace the defective part and check the
operation situation.
The air conditioner is normal.
Summary of Contents for SRC20MA-S
Page 10: ... 7 ...
Page 15: ... 12 3 ELECTRICAL WIRING DIAGRAM 3 1 Circuit diagram 20 25 35MA S ...
Page 16: ... 13 3 2 Circuit diagram 50MA S ...
Page 62: ... 59 12 Check method for outdoor unit 1 Circuit diagram of 20 25 and 35MA S outdoor units ...
Page 63: ... 60 2 Circuit diagram of 50MA S outdoor unit ...
Page 84: ... 81 ...
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Page 107: ... 104 18 RYF141A005 PLATE BAFFLE 1 19 RYF111A003F BASE ASSY 1 ...
Page 111: ... 108 19 RYF111A003F BASE ASSY 1 ...
Page 115: ... 112 19 RYF111A003F BASE ASSY 1 ...
Page 119: ... 116 19 RYF111A002G BASE ASSY 1 ...