Cooling Overload Operation (Models Src40-60 Only) - Mitsubishi Heavy Industries FDT Series Technical Manual

Error code
E35
Remote controller:
1. Applicable model
Model SRC40-60
2. Error detection method
Anomalous stop
Reset
53 63
Outdoor heat exchanger temperature (°C)
3. Condition of Error displayed
When anomalous outdoor heat
exchanger temperature occurs
5 times within 60 minutes
or 63°C or higher continues
for 10 minutes, including the
compressor stop.
4. Presumable cause
• Defective outdoor heat
exchanger temperature
thermistor
• Defective outdoor control
PCB
• Indoor, outdoor unit
installation spaces
• Short-circuit of air on indoor,
outdoor units
• Fouling, clogging of heat
exchanger
• Excessive refrigerant quantity
Note:
LED Green Red
Keeps flashing Stays OFF
Indoor
– 2 times flash
Outdoor
5. Troubleshooting
Diagnosis
Are normal
the characteristics of
outdoor heat exchanger
temperature thermistor
normal?
YES
Is the
unit operating in
the state of cooling
overload?
NO
Is the high
pressure control
normal
YES
Is
the temperature
(measured actually) at
direction of error
correct?
- 397
Content
Cooling overload operation
(Model SRC40-60 only)
* For the characteristics of outdoor
heat exchanger temperature
thermistor, refer to E37.
NO
YES
NO
NO
YES
-
'12 • PAC-T-173
Countermeasure
Replace outdoor heat
exchanger temperature
thermistor.
Check unit side.
• Isn't the air circulation
of outdoor unit short-
circuited?
• Are installation spaces
adequate?
• Isn't there any fouling
or clogging on heater
exchanger?
Control operation check*
Defective outdoor control
PCB Replace.
Excessive refrigerant
amount: Recharge
refrigerant by weighing
proper amount on a scale.