Daikin FDMR50TVMG, Руководство по обслуживанию

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Troubleshooting for Outdoor Unit SiSG121917E
151 Part 6 Service Diagnosis
Reference
7.10 DC Fan Lock
Error Code
E7
Outdoor Unit LED
Display
A j 1 i 2 i 3 i 4 i 5 h
Method of Error
Detection
An error is determined with the high-voltage fan motor rotation speed detected by the Hall IC.
Error Decision
Conditions
 The fan does not start in 30 seconds even when the fan motor is running.
 If the error repeats, the system is shut down.
 Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
 Disconnection of the fan motor
 Foreign matter stuck in the fan
 Defective fan motor
 Defective outdoor unit PCB
Troubleshooting
Check No.16 Refer to P.175
(R20416)
Caution
YES
YES
N O
YES
N O
N O
YES
N O
T u rn on the po w er.
Rotate the fan.
T u rn off the po w er and
reconnect the connector.
Remo v e the foreign
matters.
Replace the o u tdoor fan
motor.
Replace the o u tdoor u nit
PCB (main PCB).
Replace the o u tdoor fan
motor.
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.
Fan motor connector
disconnected?
Foreign matters in or
aro u nd the fan?
Fan rotates
smoothly?
Check No. 16
Check the rotation p u lse inp u t on
the o u tdoor u nit PCB (main PCB).
P u lse signal generated?