Mitsubishi MJ-EZ6CX-S1-IT Service Manual page 25

Display
E7 F1
Error code
Short circuit of
Content
Rotor lock
frame thermistor
( 1 ) Contact failure of Does the rotor rotate? If YES,
operation control
( 1 ) Contact failure of photo
board connector
Cause
interrupter connector ( P14 )
/ ( 2 ) Part failure
( 2 ) SUB ASSY failure ( Part
*
Remedy
failure, assembly failure )
Part name
Rotor motor
Conditions
Connector
P7
Check
Between pin1 and pin3 Between pin1 and pin4
terminals
Normal
16k- 18k
value
F2 F5
Disconnection Heater temperature
of dryer fan anomaly
( 1 )Disconnection Dryer fan does not rotate.
of dryer fan
( 1 ) Is the fan locked?
motor lead wire
( 2 ) Contact failure of connector
( 2 )Contact failure
(P5)
of connector (P5)
( 3 ) Dryer fan failure
Dryer fan motor Heater
P5 P4
Between pin1 and pin4/Pin4 and pin7
370- 405 Both 180- 200
Ω Ω
F7 -
Heat exchanger
temperature
EEPROM error
anomaly
( 1 ) Dryer fan does EEPROM(IC5)
failure
not rotate.
( 2 ) Blower fan does →Replace power
control board
not rotate.
Ω
70 7
Heater thermistor HEX thermistor
anomaly anomaly
Dryer fan does not rotate. ( 1 ) Dryer fan does not rotate.
( 1 ) Is the fan locked?
( 2 ) Blower fan does not rotate.
( 2 ) Contact failure of connector
( 3 ) Check it in the normal
(P5)
operation to detect
( 3 ) Check it in the normal
abnormality (three times).
operation to detect
abnormality (three times).