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Are connectors of sensor properly
connected?
Reconnect
yes
no
Are resistance and temperature
characteristics of sensor
acceptable?
Replace sensor
Check PCB and replace
Is CPU chip installed firmly?
Is fault corrected after
JP301 is reset?
yes
yes
yes
no
no
no
Is it normal after replacing chip?
If chip is broken?
Replace chip
Normal
yes
3.EEPROM failure
no
Reinstall in right direction
2.Sensor failure
no
Check PCB and replace
-180-
Summary of Contents for H-MRV AF092FCBHA
Page 121: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB top layer printed diagram 121 ...
Page 122: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB bottom layer printed diagram 122 ...
Page 127: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA high voltage PCB printed diagram 127 ...
Page 131: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA low voltage PCB printed diagram 131 ...
Page 152: ... a__WcU S c a V e a Wc AB092 182FCBHA PCB printed diagram 152 ...
Page 156: ... a__WcU S c a V e a Wc AE FCBKA PCB printed diagram 156 ...
Page 199: ...MEMO Commercial Air Conditioner ...