Daikin FTXR-T Series, Руководство по обслуживанию

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Troubleshooting SiUS041829E
90 Part 6 Service Diagnosis
Reference
4.13 DC Fan Lock
Error Code
E7
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 15 ~ 30 seconds even when the fan motor is running.
 If the error repeats, the system is shut down.
 Reset condition: Continuous run for about 11 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.117
(R20416)
Caution
YES
YES
NO
YES
NO
NO
YES
NO
T u rn on the power.
Rotate the fan.
Check No. 16
Check the rotation p u lse inp u t on
the o u tdoor u nit PCB (main PCB).
T u rn off the power and
reconnect the connector.
Remove the foreign
matters.
Replace the o u tdoor fan
motor.
Replace the o u tdoor u nit
PCB (main PCB).
Fan motor
connector disconnected?
Foreign matters
in or aro u nd the fan?
Replace the o u tdoor fan
motor.
Fan rotates
smoothly?
P u lse signal
generated?
Be s u re to t u rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.