Wilo PBI-L203MA, Installation, Operation And Maintenance Manual

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TROUBLE SHOOTING(INVERTER)
Code
repetition
time
delay time
for re-run
detecting
delay time
Error description Type
abnormal
high
pressure
Make an error for protect valve or pipe. When
discharge pressure is higher than abnormal pressure,
inverter make an error.
4m sec
10sec after
normal
pressure
return
- E-02
Inverter
Error
Make an error for protect inverter. When inverter
hardware alarm is occur(short, earth leakage, or hard
fault), inverter make an error.
4m sec
10sec after
normal
status return
- E-24
Over
current
Make an error for protect inverter and prevent from
fire by over-current. When impeller bound, overload
are occur, inverter make an error.
4m sec - - E-23
Inverter
oveload
Make an error for protect inverter. When alarm is
occur(software trip, pump rated load 130% over),
inverter make an error.
60m Sec
10sec after
normal
status return
- E-22
High
voltage
Make an error for safe. When high voltage occur in
DC-Link, inverter make an error.
4m sec
10sec after
normal
voltage
return
- E-05
Low
voltage
Make an error for safe and protect inverter. When low
voltage is occur in DC-Link(or AC power voltage),
inverter can’t make control power source and over
current can flow. Inverter make an error.
4m sec
10sec after
normal
status return
- E-04
Dry-run
Make an error for protect pump. When dry-running is
occur, inverter make an error.
30 Sec - 10 E-00
Bad
suction
Make an error only auto running mode. When bad
suction is occur, inverter make an error.
10 min - 3 E-06
Sensor
fault
Make an error only auto running mode. When no-
signal or abnormal pressure is occur, inverter make
an error.
4m sec
10sec after
normal
status return
- E-42
Communic
ation fault
When bad communication is occur(control board to
power board), inverter make an error.
1 Sce
10sec after
normal
status return
- E-49