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109
Error Code:
E5
Description:
High or low voltage protection
General Note:
An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit.
Voltage protection
Check the voltage of outdoor unit power
supply, the voltage between
L1 and L2 range min. 187~ 253VAC max.
Yes
Check whether the voltage of IPM board
P and N is normal? 277-356VDC for
18-30KBtu/h; 277-410VDC for 36KBtu/h.
No
Replace bridge rectifiers, and then check
whether the system operates normally.
(Only for 4-zone MPA036 & MLA036
units)
No
Replace IPM board, and then check
for normal unit operation.
No
Replace outdoor main board.
Problem Solved.
Yes
Yes
Check the primary power supply.
No
Содержание MWMA009S4-*L
Страница 105: ...105 Error Code E2 continued Check point button press 1 time to check how many indoor units are connected ...
Страница 110: ...110 Error Code E5 continued IPM for 4 zone P N for 2 zone and 3 zone IPM for 2 zone and 3 zone ...
Страница 111: ...111 Error Code E5 continued P N for 4 zone Bridge rectifier for 2 zone and 3 zone Bridge rectifier for 4 zone ...
Страница 113: ...113 Error Code E6 continued Two terminals of the inductor Inductor ...
Страница 118: ...118 Error Code P1 continued ...
Страница 120: ...120 Error Code P2 continued ...
Страница 122: ...122 Error Code P3 continued ...
Страница 144: ...144 Error Code P0 continued P U P V ...
Страница 145: ...145 P W P N ...
Страница 151: ...151 Error Code P6 continued ...