KÖCO KST 108 - 4 Trouble-Shooting; Error Signals from the Power Source

4 Trouble-shooting
In the event of malfunctions which the power source itself recognises, in the display field an "E" followed by a
number will be shown. The following table shows the type of error.
4.1 Error Signals from the Power Source
Error No.
Cause
Remedy
E01
Mains power supply too high or too low
Ensure correct mains power supply
E02
Interruption of discharge resistance
Change discharge resistance
E03
Defective thyristor
Replace thyristor.
E04
Temperature too high
Ensure better cooling, allow equipment
to cool down while idling.
E05
Capacitors, diode D1 or charging
source defective
Repair
E06
Short circuit of lifting solenoid or
control cable
Repair
E07
Not used
E08
Not used
E09
Short circuit MOSFET discharge circuit
Repair
E10
MOSFET discharge circuit does not switch
Repair
Issue 4/2019 ver. 2.0 page 21 of 42
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