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c)
In the following circumstances, self-protection starts:
Air inlet or outlet is obstacles;
The heat exchanger is covered with too much dust;
Incorrect power supply (exceeding the range of 220±10%)
NOTE: When self-protection happens, cut the power supply manually and restart after the error resolved.
4.7 Water Temperature Display
a)
The temperature on the display is the water temperature in upper part of water tank (over 1/4) which
you will use, but not that of all the water.
b)
In water using, the temperature of the lower part may decrease while the upper part still keeps a high
one, and the system will start heating the lower part. And it is normal.
Error Shooting
a)
When common error happens, the system enters Standby Mode and could still work, but not so efficient
as normal. Please contact the technician.
b)
When serious error happens, the system will be unable to carry on. Please contact the technician.
c)
When error happens, the buzzer will buzz in every other minute, the Warning light glitter and the display
indicate the error code and water temperature alternatively. Press CANCEL button for 3sec to stop the
alarm.
4.8 Restart after Long Stop
When the system is started after a long time (trial running included), it is normal if the outlet water is unclean.
Keep the tap on and it will be clean soon.
Sanitary Water Heater Technical Manual
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