Daikin FDMR50TVMG, Руководство по обслуживанию

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Troubleshooting for Outdoor Unit SiSG121917E
161 Part 6 Service Diagnosis
Reference
Reference
Troubleshooting
Check No.15 Refer to P.173
Check No.21 Refer to P.178
(R22271)
Caution
YES
2 sec
Time
N O
YES
YES
N O
N O
N O
YES
YES
N O
C u rrent
(g u ideline)
T u rn off the po w er. Then, t u rn on
the po w er to restart the system.
Start operation.
Check No. 21
Check the capacitor v oltage.
Meas u re the rectifier inp u t v oltage.
T u rn off the po w er. Disconnect the
harnesses U, V, and W .
T u rn off the po w er and reconnect
the harnesses. Then t u rn on the
po w er again and restart operation.
Check No.15
Check w ith the in v erter analyzer.
∗
In v erter analyzer:
RSUK0917C
+ 100
- 50
Voltage
w ithin the allo w a b le
range (Po w er s u pply
v oltage ± 15 % )?
Replace the o u tdoor u nit
PCB (main PCB).
Check the po w er s u pply
v oltage.
Replace the o u tdoor u nit
PCB (main PCB).
Replace the o u tdoor u nit
PCB (main PCB).
Replace the compressor.
Capacitor charged w hen
the indoor u nit or o u tdoor
u nit main relay t u rns on
Rising w ith increasing
fre qu ency
Correct the po w er s u pply or
replace the o u tdoor u nit PCB
(main PCB).
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.
∗
R u nning c u rrent
as sho w n at right
w ith relay ca b le 1
or 2?
W ithin 320 VDC?
Any LED OFF?
Compressor r u nning?