Daikin FTXS09HVJU, Руководство по обслуживанию

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Troubleshooting SiUS04-904
Service Diagnosis 127
Troubleshooting
Check No.12
Refer to P.156
(R10494)
Caution
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
the connector, or parts damage may occ u r.
YES
C u rrent
(g u ideline)
2 sec
Time
N O
N O
YES
YES
N O
YES
N O
YES
N O
T u rn off the po w er and t u rn it on
again.
Check No. 12
Check the capacitor v oltage.
Check w ith the in v erter checker (
*
).
Meas u re the rectifier inp u t v oltage.
Get the system started.
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 a b o v e harnesses. Then t u rn on
the po w er again and get the system
restarted.
Compressor
r u nning?
DC3 8 0±30 V ?
Any LED off?
*
R u nning
c u rrent as sho w n at right
w ith relay ca b le 1 or 2?
V oltage w ithin
the allo w a b le range
(S u pply v oltage±15%)?
Replace the o u tdoor u nit
PCB.
Replace the o u tdoor u nit
PCB.
Replace the o u tdoor u nit
PCB.
Check the s u pply v oltage.
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 SPM.
(Replace the o
u tdoor u nit
PCB.)
*
In v erter checker
Part N o.: 1225477