Mitsubishi Heavy Industries SCM50ZS-W User Manual

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136
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'19 • SCM-SM-281
Error code
Remote control:
LED Green Red
Indoor
Content
Error code
Remote control:
LED Green Red
Indoor
Content
E35
Cooling high pressure operation
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Are normal
the characteristics of
outdoor heat exchanger
temperature sensor
normal?
Is
the temperature
(measured actually) at
direction of error
correct?
NO
YES
YES
Is the
unit operating in
the state of cooling
overload?
Is the high
pressure control
normal
YES
YES
* For the characteristics of outdoor
heat exchanger temperature
sensor, refer to E37.
NO
NO
NO
* For the contents of control, refer to the protective control by controlling
compressor rotation speed and cooling high pressure protective control of
microcomputer control function for corresponding models.
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 heat
exchanger?
Control operation check*.
Defective outdoor unit
main PCB
➞
Replace.
Excessive refrigerant
amount: Recharge
refrigerant by weighing
proper amount on a scale.
2. Error detection method
Anomalous stop
Reset
53 60
Outdoor heat exchanger temperature (°C)
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 unit main
PCB
• Indoor, outdoor unit
installation spaces
• Short-circuit of air on indoor,
outdoor units
• Fouling, clogging of heat
exchanger
• Excessive refrigerant quantity
Note:
Stays OFF
Keeps flashin
g

Mitsubishi Heavy Industries SCM50ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM50ZS-W
Category	Air Conditioner
Language	English