SiE 00-07
Troubleshooting (Inverter)
Troubleshooting R-407C PLUS Series
159
5. Troubleshooting (Inverter)
5.1
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
Remote Controller
Display
L4
Supposed Causes
Actuation of fin thermal (Actuates at min. 90˚C and resets at max. 80˚C)
Defect of inverter PC board
Defect of fin thermistor
Troubleshooting
(VF063)
Characteristic
check of the radiator fin
thermistor (Refer to thermistor
characteristics
table.)
Defect of power unit radiation.
•
Intake port is clogged
•
Radiator fin is dirty
•
Outdoor temperature is high
NO
Replace the thermistor.
YES
Abnormal
Is reset possible?
Reset and operate.
Normal
Replace the inverter unit.
NO
YES
Temperature
of the radiator fin rises.
Actuates at min. 90 ˚C
Resets at max.
80 ˚C
Содержание FXYBP20K7V1
Страница 1: ...System R 407C PLUS Series Service Manual SiE 00 07 ...
Страница 11: ...Introduction SiE 00 07 x ...
Страница 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series ...
Страница 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series ...
Страница 90: ...SiE 00 07 Test Operation Test Operation R 407C PLUS Series 79 1 3 Outdoor Unit PC Board Ass y Outdoor Unit ...
Страница 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series ...
Страница 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121 ...