Gree SXVD200LCJ/A-K, Service Manual

Page: 66 / 170

AIR-TO-WATER HEAT PUMP CONTROL
62
FL
Malfunction of the first sanitary water tank temperature sensor
F3
Malfunction of gas pipe temperature sensor inside refrigerant
dF
Malfunction of other thermal outlet temperature sensor
F0
Malfunction of remote room temperature sensor
Ec
Malfunction of water switch
E2
Indoor anti-frozen protetion
No display
Over temperature of sanitary water tank temperature
Ed
Over temperature of outlet temperature(This error code will not displayed on wired
controller but only on mainboard of outdoor unit)
No display
Over temperature of solar outlet temperature
EH
Malfunction of the first internal electric heater connection
EH
Malfunction of the second internal electric heater connection
EH
Malfunction of sanitary water tank electric heater connection
dU
Pull-out gate-controller
3.2.3.15 Test Mode
The test mode setting is as follow
：
(1). Operate the wired controller to let the heating/cooling operation OFF and water
heating OFF and then hold down ESC and Return buttons at the same time for 10
seconds into test mode.
(2). In test mode, except ▲ , ▼ ,Set, Esc and Return buttons all buttons are
shielded.
(3). In test mode
Press ▲ or ▼ button to select the type of test mode. There are 2 types in total for
selection.
If the minute display area of CLOCK is 01, it means test mode 1
①
---cooling
operation.
If the minu
②
te display area of CLOCK is 02, it means test mode 2---heating
operation.
The compressor ′ s frequency during the operation will be adjusted according to the
difference between the actual leaving water temperature and target set temperature, so
test mode is mainly for nominal performance testing.
3.3Installation
(1). Open front panel of indoor unit and release the clasp of wired controller as shown
in Fig 1.