30
10.2.4 E3(indoor fan speed out of control) diagnosis and solution
10.2.5 E5(Open or short circuit of outdoor temperature sensor) diagnosis and solution.
10.2.6 E6(open or short circuit of room or evaporator temperature sensor) diagnosis and solution.
10.2.7 P0(IGBT over-strong current protection) diagnosis and solution.
Is all connections on PCB
and between PCB and
compressor good?
Repair or correct the
connector or connection.
Replace the outdoor PCB
and then repower on. Is
the failure cleared?
NO
YES
Check the compressor
NO
Is the indoor temperature
and evaporator sensor
connector and connection
good?
Repair the connector and
reconnect
Replace the sensor and
check if E6 display again?
NO
YES
Replace the.indoor PCB
YES
Is the outdoor temperature
sensor connector and
connection good?
Repair the connector and
reconnect
Replace the sensor and
check if E5 display again?
NO
YES
Replace outdoor e-box
YES
Is the indoor fan motor
connector and connection
good?
Repair the connector and
reconnect
Is voltage being applied to
the fan motor right?
NO
YES
Indoor PCB is defective.
Replace the indoor PCB.
YES
Replace the indoor fan
motor
NO
Содержание A17CI4C4M09
Страница 10: ...8 4 Specification Please see the special file about the specifications 5 Refrigerant cycle diagram Cooling only...
Страница 11: ...9 6 Wiring diagram 6 1 Indoor Unit MSC 09CRDN1 NR0 MSC 12CRDN1 NR0 MSC 18CRDN1 NQ0...
Страница 12: ...10 MSC 24CRDN1 NQ0W 6 2 Outdoor Unit MOA 09CDN1 NR0...
Страница 13: ...11 MOB 12CDN1 NR0...
Страница 14: ...12 MOC 18CDN1 NQ0...
Страница 35: ...33 K...