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Troubleshooting
Water heater fuse (F1)Heater fuse (F2)
in.yj
(CE/AS/NZS models only)
in.ye et in.yt
(European models only)
Water heater fuse (F3)
in.xe
(European models only)
For European control systems, if the measured tension is not correct, replace the water heater fuse.
in.yj - F2 fuse
in.ye and in.yt – Fuse F1
in.xe - F3 fuse
If the tension is correct, ensure that the water heaters power cables are correctly plugged into the control systems
terminal block. If so, replace the water heater.
If the water heater indicator does not display on the keypad, measure the water temperature and compare with the
displayed temperature:
• If the difference is lower than 2°F (1,1 °C), there is not problem�
• If the difference is higher than 2°F (1,1 °C), replace the water heater�
If the problem persists, replace the control system�
Water heater fuse (F3)
in.xe-v2
(European models only)
Water heater fuse (F1)
in.ye-V3
(CE/AS/NZS models only)
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