Daikin VRV III-S RXYMQ36 48PVJU, Руководство по обслуживанию

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Troubleshooting by Indication on the Remote Controller SiUS34-907
112 Troubleshooting
Troubleshooting
Is po w er s u pply
20 8~ 230 V pro v ided?
N O
Pro v ide 20 8~ 230 V po w er
s u pply.
The drain
p u mp is connected
to X25A or terminals Y1
and Y2 of the
indoor u nit PCB.
N O
Connect the drain p u mp and
t u rn on again.
YES
YES YES
YES
The drain
p u mp w orks w hen
the po w er s u pply is reset
for the indoor
u nit.
YES
Check the drain piping for
clogging or
u p w ard slope, etc.
YES
The v oltage
of terminals Y1 and Y2
or X25A is 20 8~ 230 V ( w ithin
5 min u tes of resetting
the po w er s u pply).
N O
Replace the indoor u nit PCB.
N O
N O
A short
circ u it connector is
connected to X 8 A
(or X15A).
The float
s w itch is connected to
X 8 A (or X15A) of the indoor
u nit PCB.
N O N O
Connect either a short circ u it
connector or float s w itch and
t u rn on again.
Becomes
normal w hen X 8 A
(or X15A) of the indoor u nit
PCB is short
circ u ited.
The float
s w itch contact is
forming a short circ u it.
(contin u ity check
w ith X 8 A (or X15A)
disconnected)
YES N O
Defect of indoor u nit PCB.
Replace the float s w itch.
Loose connection of connector.
YES
Modify the float s w itch ' s
connection and t u rn on again.
YES
The float s w itch
f u nctions normally.
W ater bu ilds u p in the
drain pan.
N O N O
Replace the drain p u mp or
check for dirt, etc.
YES
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 may b e damaged.