habitat et jardin 1490_121320, Manual, Page: 13 / 61

2021-2022 Page 12 / 61
Exhaust gas temperature too high protection E3
System High pressure protection E2
Defrosting Green light flashing
Water flow protection E1
6.Maintenance
(1) You should check the water supply system regularly to avoid the air entering the system and occurrence of low
water flow, because it would reduce the performance and reliability of HP unit.
(2) Clean your pools and filtration system regularly to avoid the damage of the unit because of the dirty of clogged
filter.
(3) You should discharge the water from bottom of water pump if HP unit will stop running for a long time
(especially during the winter season).
(4) In another way, you should check the unit is water fully before the unit start to run again.
(5) After the unit is conditioned for the winter season, it is recommended to cover the heat pump with special
winter cover.
(6) When the unit is running, there is all the time a little water discharge under the unit.