24
320
Compressor current
protection
1. The compressor is temporarily overloaded (for example, liquid
compression)
2. The program does not match the compressor
3. The U, V, and W lines of the compressor are inversely connected, and the
compressor reverses
4. Compressor wear (lack of oil, liquid compression lead to wear cylinder
block)
384
PFC module over
heat protection
1. The heat dissipation is poor. The condensing fan rotates at a low speed or
stops unexpectedly
2. The loop temperature rises too fast, leading to too late reaction of
over-temperature frequency reduction
4.5. Other Malfunctions and Solutions (No display on wire controller)
Malfunctions
Observation
Reasons
Solution
Heat pump is
not running
Wire controller shows
no display
No power supply
Check whether cable and circuit
breaker are connected
Wire controller
displays the actual time
Heat pump under standby
status
Start up heat pump to run.
Wire controller
displays the actual
water temperature
1. Water temperature is
reaching set value, heat pump
under constant temperature
status
2. Heat pump just starts to run
3. Under defrosting
1. Verify water temperature
setting
2. Start up heat pump after a
few minutes
3. Wire controller should display
"Defrosting"
Water
temperature is
cooling when
heat pump runs
under heating
mode
Wire controller displays
actual water temperature
and no error code displays
1. Chose the wrong mode
2. Figures show defects
3. Controller defect
1. Adjust the mode
2. Replace the defect wire
controller, and then check the
status after changing the
running mode, verifying the
water inlet and outlet
temperature
3. Replace or repair the heat
pump
Содержание evotherm EFI Ultra V30T
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Страница 32: ...29 2 Account ID Password Login Existing accounts can be logged in directly in the following order ...
Страница 36: ...33 Step 5 When Scan devices Register on Cloud Initialize the device are all completed connect succeeds ...
Страница 42: ...39 Mode settings Click on the main interface to switch modes select what you need Timer setting ...
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