GRE HPGI50 Manual De Instrucciones página 74

Malfunction
Low pressure failure
TS5
Water flow failure TS1
Over heating
protection for water
temperature (d2- TH5)
in heating mode
d6-TH3 Exhaust too
high protection
Controller failure
Error
code
1. EEV has blocked or pipe system is
jammed
2. Fan motor speed is abnormal or fan
EE02 motor is damaged under heating mode
3. Gas leakage
4. Low pressure wire is loose or
damaged
1. The wiring of water flow switch is
EE03 Or
loose or water flow switch damaged
"ON"
2. No/Insufficient water flow.
1. Low water flow
2. Water flow switch is stuck and the
water supply stops
3. d2- TH5 outlet water temperature
EE04
sensor is abnormal
4. The difference of outlet water
temperature and set temperature is
7℃ or above in heating mode
1. Lack of gas
2. Low water flow
EE05 3. Piping system has been blocked
4. Exhaust temp. sensor failure d6-TH3
5. Ambient temperature is too high
1. Signal is not well connected or
EE06 damaged
2. Controller failure
Reason
72
Solution
1.Check the EEV and piping system
2. Check the fan motor under heating
mode, replace a new one if it is abnormal
3. Check refrigeration system or check the
pressure value through the high-pressure
gauge.
4. Reconnect the low pressure wire or
replace a new low pressure switch
1. Check the wiring of water flow switch or
change a new one.
2. Check the filtration pump or the
waterway system if there is air or jammed
inside
1. Check the water flow switch if it works
well
2. Check the filtration pump or the
waterway system if there is air or jammed
inside
3. Check d2- TH5 outlet water
temperature sensor or replace a new one.
4. Change the set temperature.
1. Check the pressure gauge, and fill with
some gas if it is lack of gas
2. Check the filtration pump or the
waterway system if there is air or jammed
inside
3. Check the piping system if there was
any block
4. Change a new exhaust temp. sensor
d6-TH3
5. Check whether the current ambient
temp. and water temp. are beyond the
running temp. of the machine
1. Stop the power supply and restart.
2. Re-connect the signal wire or replace a
new one
3. Replace a new controller