Split-type air conditioners Mitsubishi Electric MSZ-FH25VE, MSZ ...
Split-type air conditioners Mitsubishi Electric MSZ-FH25VE, MSZ ...
Split-type air conditioners Mitsubishi Electric MSZ-FH25VE, MSZ ...
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No.<br />
1<br />
No.<br />
1<br />
OPERATION INDICATOR<br />
(POWER) (AIR PURIFYING)<br />
Abnormal<br />
point<br />
MXZ <strong>type</strong><br />
Operation<br />
mode<br />
setting<br />
Operation indicator lamp Symptom Condition Remedy<br />
• AIR PURIFYING lamp fl ash.<br />
2.5-second OFF<br />
• POWER lamp is lighted.<br />
OPERATION INDICATOR<br />
(POWER) (AIR PURIFYING)<br />
Abnormal<br />
point<br />
AIR<br />
PURIFYING<br />
power<br />
control<br />
10-5. TROUBLE CRITERION OF MAIN PARTS<br />
<strong>MSZ</strong>-<strong>FH25VE</strong> <strong>MSZ</strong>-FH35VE<br />
Outdoor unit<br />
operates but<br />
indoor unit does<br />
not operate.<br />
The operation mode of the each indoor unit is<br />
differently set to COOL (includes DRY, FAN)<br />
and HEAT at the same time, the operation<br />
mode of the indoor unit that has operated at<br />
fi rst has the priority.<br />
25<br />
• Unify the operation mode.<br />
Refer to outdoor unit service<br />
manual.<br />
Part name Check method and criterion Figure<br />
Room temperature Measure the resistance with a tester.<br />
thermistor (RT11)<br />
Indoor coil thermistor<br />
(RT12, RT13)<br />
Refer to 10-7. "Test point diagram and voltage", "Indoor electronic control<br />
P.C. board", for the chart of thermistor.<br />
Indoor fan motor (MF) Check 10-6. "Check of indoor fan motor".<br />
Vane motor (MV1)<br />
(HORIZONTAL)<br />
Vane motor (MV2)<br />
(VERTICAL)<br />
i-see SENSOR MOTOR<br />
(MT)<br />
AIR PURIFYING power Check 10-6. .<br />
OBH623<br />
Operation indicator lamp Symptom Condition Remedy<br />
AIR PURIFYING lamp fl ashes.<br />
2.5-second OFF<br />
Lighted<br />
Blinking<br />
Not lighted<br />
Lighted<br />
Blinking<br />
Not lighted<br />
Indoor unit and<br />
outdoor unit do<br />
not operate.<br />
When AIR PURIFYING power cannot be<br />
turned OFF even if the AIR PURIFYING<br />
operation is turned OFF by remote controller.<br />
Measure the resistance between the terminals with a tester.<br />
(Temperature: 10 - 30°C)<br />
Color of the lead wire Normal<br />
RED - SKY 262 - 328 Ω<br />
Measure the resistance between the terminals with a tester.<br />
(Temperature: 10 - 30°C)<br />
Color of the lead wire Normal<br />
RED - SKY 219 - 273 Ω<br />
Measure the resistance between the terminals with a tester.<br />
(Temperature: 10 - 30°C)<br />
Color of the lead wire Normal<br />
RED - BLK 262 - 328 Ω<br />
• Refer to 10-6. "Check of AIR<br />
PURIFYING power".<br />
SKY<br />
SKY<br />
RED<br />
SKY<br />
SKY<br />
RED<br />
BLK<br />
BLK<br />
RED<br />
ROTOR<br />
SKY SKY<br />
ROTOR<br />
SKY SKY<br />
ROTOR<br />
BLK BLK
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