Daikin ESIE13-02, Руководство по обслуживанию

Страница: 133 / 170

ESIE13-02 Error Codes: Outdoor Units
133 Part 4 – Troubleshooting
4
3
4
5
4
Troubleshooting
(*) See also "Check No.11 - Outdoor Unit: Check for Power Transistor" on page 160.
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Is the
difference between
high and low pressure
before startup not more
than 0.2MPa?
Turn the main power supply
off, and then disconnect the
connection between the
compressor and inverter.
Is the
inverter output
voltage generated
approximately at the same
increasing speed on each
phase after turning
on again? (* )
(U-V, V-W,
W-U)
Continuity check
in the power transistor
(IGBT) Is the continuity
normal? (*)
Is the stop valve open?
Check the
installation conditions.
NO
YES
NO
YES
NO
YES
* When operating compressor
with compressor output line
disconnected, the compressor
stops due to malfunction after
elapsed time of 5 seconds.
Therefore, check the voltage
increase for 5 seconds.
Open the stop valve.
Insufficient pressure equalization
Check refrigerant system.
* Replace the inverter PC board (A1P)
ERHQ***V3* / ERLQ***V3*
* Replace the inverter PC Board (A2P)
ERHQ***W1* / ERLQ***W1*
* Replace the inverter PC board (A1P)
ERHQ***V3* / ERLQ***V3*
* Replace the inverter PC Board (A2P)
ERHQ***W1* / ERLQ***W1*
NO
YES
Compressor inspection
Inspect according to the diagnosis
procedure for abnormal noises,
vibration, operating status, etc. of the
compressor.