Daikin VRV Inverter K Series - Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise

SiE-05C Troubleshooting (Inverter)
Troubleshooting Inverter K Series 161
5. Troubleshooting (Inverter)
5.1 Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
Remote Controller
Display
LL
LL
44
44
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
SI-05C.BOOK Page 161 Monday, November 6, 2000 4:13 PM
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