Troubleshooting (Inverter); Outdoor Unit: Malfunction Of Inverter Radiating Fin Temperature Rise - Daikin VRV K Manual

SI-95.BOOK Page 115 Friday, March 31, 2000 10:59 AM
Si-95

4. Troubleshooting (Inverter)

4.1

Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise

L L L L 4 4 4 4
Remote Controller
Display
I Actuation of fin thermal (Actuates at min. 90˚C and resets at max. 80˚C)
Supposed Causes
I Defect of inverter PC board
I Defect of fin thermistor
Troubleshooting
Troubleshooting Inverter K Series
Temperature
of the radiator fin rises.
YES
Actuates at min. 90 ˚C
Resets at max.
80 ˚C
NO
Characteristic
check of the radiator fin
Abnormal
thermistor (Refer to thermistor
characteristics
table.)
Normal
NO
Is reset possible?
YES
Reset and operate.

Troubleshooting (Inverter)

Defect of power unit radiation
• Air intake port is clogged
• Radiator fin is dirty
• Outdoor temperature is high
Replace the thermistor.
Replace the inverter unit.
(VF063)
115