Outdoor Unit; Troubleshooting - Daikin ESIE13-02 Service Manual

Troubleshooting

1
Troubleshooting
3
4
5
Caution
Part 4 – Troubleshooting
·
Hydro-box pump runs at set flow rate.
Is setting A.2.1.9
pump operation mode set to
(0) = continuous pump
operation?
Is the power
switch OFF or the fuse for
power switch
blown?
Is the heating
switch turned on at outdoor
temperature
>35°C
1
Is rated
voltage applied at the
compressor
terminals?
2
Is rated
voltage output from the
magnetic switch or power
transistor?
3
Is rated
voltage output from the
PC board?
Sensor
Hydro-box
PC board
Output
Input
from
to PC
PC
board
board
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO

Outdoor unit

PC board
Relay
3
Input
Output from
relay or
to PC
microcomputer
board
58
Normal operation.
Turn on the power
switch or replace fuse.
Normal.
(Thermostat OFF by
outdoor temperature)
Replace the compressor.
Replace the magnetic
switch or power transistor.
Replace the PC board.
Check the thermistor.
Magnetic
switch
COMP
2 1
Output from Output from
magnetic magnetic
switch or SW switch or
circuit of U,V,W of
power power
transistor transistor
ESIE13-02