Daikin RZQ125B7W1B [227/326] Radiation fin temperature increased l4

Daikin RZQ71B8V3B [227/326] Radiation fin temperature increased l4
ESIE05-03 Error Codes: Outdoor Units
Part 3 Troubleshooting 3–79
33
4
5
1
3.14 Radiation Fin Temperature Increased (L4)
Remote Controller
Display
L4
Method of
Malfunction
Detection
Fin temperature is detected by the thermistor of the radiation fin.
Malfunction
Decision
Conditions
When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation.
Supposed Causes
P Activation of fin thermal switch
P Faulty fin thermistor
P High outside air temperature
P Insufficient cooling of inverter radiation fin
P Blocked suction opening
P Dirty radiation fin
P Faulty outdoor unit PCB
Troubleshooting
Fin temperature detection values
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Detection Reset
RZQ71 (1~) 87°C 77°C
RZQ100~125 (1~) 79°C 69°C
RZQ100~140 (3~) 76°C 66°C
Is reset possible?
Do LEDs on
outdoor unit PCB indicate
fin temperature
abnormality?
Could
problem be
caused by high fin
temperature? * See
detection value
table
Reset
NO
NO
NO
YES
YES
YES
Correct the problem.
Inspect outdoor unit PCB
and remote controller.
Check remote controller indication.
See the section on "P4" error.
ESIE05-03.book Page 79 Wednesday, April 6, 2005 4:09 PM

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