Crystal CHP075PX, User Manual

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High pressure failure
TS4
EE01
1. Ambient temperature is too high
2. Water temperature is too high
3. Water flow is too low
4. Fan motor speed is abnormal or fan
motor is damaged under cooling mode
5. Gas system blocked.
6. High pressure wire is loose or damaged
7. Too much refrigerant
1. Choose the silent mode.
2. Check the water flow or filtration
pump
3. Check the fan motor under cooling
mode, replace a new one if it is
abnormal.
4. Check and repair the refrigerating
system.
5. Reconnect the high pressure wire or
replace a new high pressure switch
6. Check and repair the refrigerating
system
1.
Check the EEV and piping system.
1. EEV has blocked or pipe system is blocked 2. Check the fan motor under heating
Low pressure failure TS5 EE02
2. Fan motor speed is abnormal or fan
motor is damaged under heating mode
3. Gas leakage
4. Low pressure wire is loose or damaged 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
EE03 Or
1.The wiring of water flow switch is loose or 1.Check the wiring of water flow switch.
Water flow failure TS1
"ON”
water flow switch damaged
2.No or Insufficient water flow.
2. Check the filtration pump or the
plumbing system, see if there is air or is a
blockage inside.
Over heating protection
for water temperature
(d2- TH5) in heating
mode
EE04
1. Low water flow
2. Water flow switch is stuck and the water
supply stops
3. TH5 outlet water temperature sensor is
abnormal
4. The difference of outlet water
1. Check the water flow switch if it works
well
2. Check the filtration pump or the
plumbing system, see if there is air or is
a blockage inside
3. Check TH5 outlet water temperature
temperature and set temperature is 7
℃
or sensor or replace with a new one.
above in heating mode 4. Change the set temperature.
d6-TH3 Exhaust too high
protection
EE05
1. Lack of gas
2. Low water flow
3. Piping system has been blocked
4. Exhaust temp. sensor failure d6-TH3
5. Ambient temperature is too high
1. Check the pressure gauge, fill with
some gas if it is lacking gas.
2. Check the filtration pump or the
plumbing system, see if there is air or is a
blockage inside.
3. Check the piping system if any blockage.
.