Hot water converter of GMV5 Home Installation and Operation Manual
15
Note: The above circuit diagram is only for reference. Please refer to the wiring circuit inside the electric box for
the detailed content.
8 Troubleshooting
8.1 Error code for hot water converter
Wired controller power
supply error
Malfunction of entry temperature
sensor
Freeze prevention protection
Malfunction of exit temperature
sensor
Setting of capacity DIP switch is
abnormal
Insufficient power supply
Circuit board of wired controller is
abnormal
Malfunction of upper water
temperature sensor
Malfunction of lower water
temperature sensor
Note:
when there’s malfunction for the outdoor unit, the unit can generate hot water (start up the hot water
generation function when there’s water inside the water tank).
8.2 Common malfunctions
Water is stopped or water
pressure is too low
Valve of water inlet pipe is
not open
No hot water or the water
temperature is not high
Water temperature is set
too low
Wired controller is invalid
Contact with local maintenance
center
Heating time is too short
Hot water volume is not
stable
Tap water pressure is not
stable
Water temperature is too
low
Energize the unit or keep the
heating status for 30min above
8.3 After-sales service
The guarantee period for the complete unit is 21 months (started from the purchased date on
the invoice). The unit can be repaired freely within the guarantee period. User can take the
guarantee and invoice to the appointed maintenance center. When the unit has been used for
three years, please contact local maintenance center for door-to-door service (maintenance
should be charged).
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
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