Troubleshooting
SiUS042113E
110
Part 6 Service Diagnosis
Reference
4.15 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
(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.
Summary of Contents for FTXM-V Series
Page 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
Page 96: ...Troubleshooting SiUS042113E 92 Part 6 Service Diagnosis Reference Check No 01 Refer to P 134...
Page 150: ...Check SiUS042113E 146 Part 6 Service Diagnosis 18 24 class R24539 DC DC W V U...
Page 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
Page 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...
