Mitsubishi SCM100ZJ-S1 User Manual

-
122
-
'11 • SCM-SM-110
Error code
Remote controller:
LED Green Red
Content
Indoor Stays OFF Keeps flashing
E40
Outdoor
– 2 times ash
1. Applicable model
5. Troubleshooting
Model SCM100,125 only
Diagnosis Countermeasure
Are normal
the characteristics of
high pressure sensor
normal?
Is
the pressure
(measured actually) at
direction of error
correct?
NO
YES
YES
Is the
unit operating in
the state of heating
overload?
Is the high
pressure control
normal
YES
YES
* For the characteristics of
high pressure sensor, refer to E54.
NO
NO
NO
Replace high pressure
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 control
PCB
➞
Replace.
Excessive refrigerant
amount: Recharge
refrigerant by weighing
proper amount on a scale.
2. Error detection method
For the error detection method,
refer to the protective control by
controlling compressor rotation
speed and heating high pressure
protective control of micro
computer control function for
corresponding models.
（
Refer to 42 page
）
3. Condition of Error displayed
• When anomalous rise of
the high pressure sensor is
detected 5 times within 1 hour.
• When high pressure sensor
anomaly is detected for 10
minutes continuously.
4. Presumable cause
• Defective high pressure sensor
• 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:
Heating high pressure operation
（
Model SCM100
,
125
）

Mitsubishi SCM100ZJ-S1 Specifications

General

Brand	Mitsubishi
Model	SCM100ZJ-S1
Category	Air Conditioner
Language	English