Specifications

Troubleshooting SiBE04-624
146 Service Diagnosis
Troubleshooting
Check No.29
Refer to 212
Replace the safety breaker
to a specified one.
Increase the set value of
the earth leakage current
on the breaker (or replace
the breaker).
Use the exclusive circuit.
Replace the wire to a
specified one by referring to
the electric wire distance
described in the
"Engeneering data".
Contact with an electric
power company.
Secure the required space.
Replace the wire to the
specified one.
Replace the outdoor unit
PCB.
Replace fan motor or the 4-
way valve coil.
Conduct vacuum drying, fill
the refrigerant of specified
volume.
Is the
capacity of safety breaker as
specified?
(R5999)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Does the earth leakage
breaker work?
Remove fan motors or 4-way
valve coil and check.
· Air is mixed in.
· Overfilling of refrigerant is supposed.
Is it an exclusive circuit?
NO
NO
NO
NO
NO
YES
NO
NO
YES
NO
YES
YES
[Installation]
YES
YES
YES
Is the
size of wire for the exclusive
circuit as specified?
YES
Is the supply
voltage within the rated
voltage ±10%?
Is there
required installation space?
(Isn't it short circuited?)
NO
Is the
size of the connecting wire
as specified?
Is it OK?
Is it OK?
Check No. 29
Short circuit check
YES
Check No. 29
Short circuit check
[Power supply]