E35
Outdoor
–
2
times ash
1. Applicable model
5. Troubleshooting
Model SCM40, 45, 50, 60, 71, 80
only
Diagnosis Countermeasure
Replace outdoor heat
exchanger temperature
sensor.
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 main
PCB
➞
Replace.
Excessive refrigerant
amount: Recharge
refrigerant by weighing
proper amount on a scale.
2. Error detection method
3.
Condition of Error displayed
When anomalous outdoor heat
exchanger temperature occurs
5 times within 60 minutes
or 60°C or higher continues
for 10 minutes, including the
compressor stop.
4. Presumable cause
• Defective outdoor heat
exchanger temperature sensor
• Defective outdoor main PCB
• Indoor, outdoor unit
installation spaces
• Short-circuit of air on indoor,
outdoor units
• Fouling, clogging of heat
exchanger
• Excessive refrigerant quantity
Note:
Cooling
high pressure
operation
(
Model SCM40, 45, 50, 60, 71, 80
)