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7.0 Fault News and Countermeasures
This Inverter is provided with several kinds of warning information and protection
function. The protection function of this Inverter will work, this Inverter will stop
outputting and water pump will stop operating automatically when fault happens.
Please resolve the problem by comparing the abnormal contents displayed of this
Inverter and the cause and troubleshooting or contact the manufacturer for technical
support by +8615112278465.
7.1 The water pump will be unable to start or operate if this Invert
er displays “LL”
alarming.
Cause:
a) The water level sensor of water supply works.
b) The output type parameter “F XX” of water level sensor of water supply is set by
mistake.
c) The water pump is under restart delay status.
Check focus and countermeasures:
a) Check the water level to see if water is urgently required.
b) The parameters shall be set again: “F XX” shall be made to be in consistency with
the type of the water level sensor applied.
c) Resetting shall be made by pressing up/down key on the panel at the same time to
cancel the restarting delay or wait the delay time set.
7.2 The water pump will be unable to start or operate if this Inverter displays “OF”
alarming.
。
Cause:
a) The overflow water level sensor of the water storage device works.
b) The output type parameter “U XX” of water level sensor of water storage device is
set by mistake.
