3-91
Check code
Operation cause
[dA]
Abnormal overheat of heat sink
1. Power supply failure
2. Outdoor fan error
3. Heat sink installation failure
4. Blockage of heat sink cooling duct
5. Defective IPDU P.C. board
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is power supply voltage normal?
Is wiring connector connection
normal on IPDU P.C. board?
Is outdoor fan normal?
Is there screw loose
on the IGBT module or heat sink
on IPDU P.C. board?
Is there blockage of
heat sink cooling duct?
Check IPDU P.C. board.
Modify circuit wiring such as
wiring to inverter compressor or
connector connection.
Modify power supply line.
Tighten screws.
Check fan and fan motor.
Remove blockage.
Содержание MMC-P0151H
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Страница 216: ...TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN ...