
16
3) Error Indications and Corrective Actions
Indicator
(current humidity
display)
Error (failure)
Corrective action
A1
Microprocessor failure
RAM error
Replace the control board
A2
Frequency determination error
Check the outlet, 220V power
(Try to replace the power supply and control
boards)
A6
Watchdog error
(Main stop/Interrupt)
Replace the control board
A8
E
2
PROM failure
Replace the control board
E0
Room temperature sensor
disconnected
Check the P13 connector connection
Check the room temperature sensor board
E1
Room temperature sensor short
E2
Move eye thermopile
OBJ High temperature abnormal
(object temperature)
Check the connectors
Replace the move eye thermopile
E3
Move eye thermopile
OBJ Low temperature abnormal
(object temperature)
Check the connectors and the disconnection
Replace the move eye thermopile
E4
Move eye thermopile
AMB High temperature
abnormal (ambient temperature)
Check the connectors
Replace the move eye thermopile
E5
Move eye thermopile
AMB Low temperature abnormal
(ambient temperature)
Check the connectors and the disconnection
Replace the move eye thermopile
E7
Tube temperature thermistor
disconnected
Check the connectors
Check the P15 tube temperature thermistor
connection
E8
Tube temperature thermistor
short
P4
Compressor failure
Check the air
fl
ow
Check the tube temperature thermistor
Check the compressor operating noise
4) Self Diagnostic Test Program
(1) Deactivate 3-minute restart prevention
Start . . . . . . . . . .Press the MOVE EYE and DEHUMIDIFY switches together 3 times when
the power is off. Press the POWER switch within 2 seconds.
Functions . . . . . . .
①
Deactivates 3-minute restart (immediate operation)
②
Sets the operating mode to LAUNDRY
③
When E
2
PROM error is detected, FULL LED and CHILD LOCK monitor
are lit.
④
Turns the solenoid valve ON for 3 seconds when the power is off, and
then after 3 seconds, turns the solenoid valve OFF.
⑤
When the operating mode changes, it
fi
xes the fan rank and unlocks the
E
2
PROM error display.
Finish . . . . . . . . .Turn the power OFF.
Содержание MJ-E14EG-S1-IT
Страница 2: ...2 1 Precautions 2 Note This page is extracted from the instruction manual ...
Страница 3: ...3 3 Note This page is extracted from the instruction manual ...
Страница 4: ...4 2 Names and Functions of Parts Note This page is extracted from the instruction manual ...
Страница 8: ...8 7 Technical Points Note This page is extracted from the instruction manual ...
Страница 18: ...18 Note This page is extracted from the instruction manual 10 Troubleshooting ...
Страница 19: ...19 Note This page is extracted from the instruction manual ...
Страница 20: ...20 11 Maintenance Note This page is extracted from the instruction manual ...
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