Waterstage WS G140DC6 Series Installation And Operating Manual page 58

Air to Water Heat Pump
6 3 Faults displayed
on the single phase outdoor unit
To access the electronic board, you must remove the
front (right-hand) facing from the outdoor unit.
Faults are coded by diode flashes.
When an error occurs:
- The diode "ERROR" (2) blinks.
- Press once on the switch "ENTER" (SW3).
- The "ERROR" (2) diode blinks several times depending
on the error's type (see below).
Diode display
1 Flash
2 Flashes
3 Flashes
4 Flashes
5 Flashes
6 Flashes
7 Flashes
8 Flashes
9 Flashes
11 Flashes
12 Flashes
13 Flashes
14 Flashes
15 Flashes
16 Flashes
17 Flashes
18 Flashes
19 Flashes
20 Flashes
21 Flashes
22 Flashes
" Ensure that the general electrical power supply has been cut off before starting any repair work
" When the HP is not under tension, protection frost-free is not assured
- 58 -
Error contents
Serial forward transfer error.
Discharge thermistor error.
Pressure sensor error.
Heat-exchange thermistor (outlet) error.
Heat-exchange thermistor (intermediate) error.
Expansion valve thermistor error.
Outdoor temperature thermistor error.
Compressor thermistor error.
Heat sink thermistor error.
Discharge temperature protection (permanent stoppage).
Compressor temperature protection (permanent stoppage).
Current trip (permanent stoppage).
Detection of compressor position error (permanent stoppage).
Compressor start up error (permanent stoppage).
Fan motor 1 error (permanent stoppage).
Fan motor 2 error (permanent stoppage).
Inverter error.
Active filter error.
Low pressure abnormal.
Connection with hydraulic unit error.
Hydraulic unit abnormality condition.
(1)
(2) (3) (4)
SW1 SW2 SW3
figure 44 - Location of switches and diodes
on single phase outdoor unit
Installation and operating manual "1533 - EN"
(5)
SW4 SW5
Diodes
and switches