Mitsubishi Electric Mr. Slim MSZ-GE06NA Service Manual page 21

OPERATION INDICATOR
Abnormal
No. Operation indicator lamp
point
Upper lamp lights and lower lamp fl ashes.
MXZ type
Operation
1
mode
2.5-second OFF
setting
9-5. TROUBLE CRITERION OF MAIN PARTS
MSZ-GE06NA MSZ-GE09NA MSZ-GE12NA MSZ-GE15NA MSZ-GE18NA
MSY-GE09NA MSY-GE12NA MSY-GE15NA MSY-GE18NA
Part name
Room temperature
thermistor (RT11)
Indoor coil thermistor
(RT12, RT13)
Indoor fan motor (MF)
Vane motor (MV)
Symptom
Outdoor unit
operates but
indoor unit does
not operate.
Check method and criterion
Measure the resistance with a tester.
Refer to 9-7. "Test point diagram and voltage", "2. Indoor electronic control
P.C. board", for the chart of thermistor.
Check 9-6.
Measure the resistance between the terminals with a tester.
(Temperature: 50 - 86°F (10 - 30°C))
Color of the lead wire
RED - BLK
Condition
The operation mode of the each indoor unit
is differently set to COOL (includes DRY) and
HEAT at the same time, the operation mode
of the indoor unit that has operated at fi rst has
the priority.
Normal
223 - 268 Ω
21
Remedy
• Unify the operation mode.
Refer to outdoor unit service
manual.
Figure
BLK
ROTOR
BLK
RED
BLK BLK