
T r o u b l e s h o o t i n g
Power Module DN
Version 09.2019
Page 35/43
9.10 Error analysis LED interface board
LED
Function
LED bright
LED dark
Error cause
Colour
-P1
Operatio
n
Internal 24VDC supply ok
No internal 24VDC power
supply
Main switch
„off“
Inspect fuses: 1F1,1FT1,1A1-F1
white
-P2
Ready
Coil module connector
connected
Coil temperature ok
Inverter ok
External enable
ok
Coil
module
connector
connected
Coil temperature ok
Inverter ok
External enable
ok
Check
Coil module connector
Check
Coil module monitoring
M8
Check coil temperature,
coil fan,
filter pad
Error-code inverter > send to
MMAG
Check Switch S1 Enable int/ext
green
-P3
Active
Pulse running
Inverter in RUN mode
Pulse completed, no pulse
running
Check
–P1 „Operation“
Check
–P2 „Ready“
yellow
-P4
Process
triggering
Start process monitoring
End process monitoring
Check
–P3 „Active“
white
-P5
Process
ok/ int.
Process
monitoring
internal ok
End
process
monitoring
internal
Process failed
Check
–P4 „Process triggering“
General process error
white
-P6
Process
ok/ ext.
Process
monitoring
external ok
End
process
monitoring
external
Process failed
Check
–P5 „Process ok intern“
white
-P7
Fault
General fault
No fault
Switch off, wait 30s, switch on
Check circuit breaker inverter
Error-code inverter > send to
MMAG
red
-P8
Module
ready
Coil module connector
connected
Coil temperature ok
Coil
module
connector
connected
Coil temperature ok
Check
Coil module connector
Check
Coil module monitoring
M8
Check coil temperature,
coil fan,
filter pad
white
-P9
External
enabling
External enable ok (D-
SUB15 Interface)
No external enable signal
Switch S1 auf Int.
No external enable signal D-SUB
15 or <16VDC
white
-P10
External
start
External start (D-SUB15
Interface)
No external start (D-SUB15
Interface)
No external start signal D-SUB
15 or <16VDC
white
-P11
Pulse/
start
Pulse-/Start
button
is
pushed or external start
signal ok (D-SUB15 or
Sensor connector M12)
Pulse-/Start
button
not
pushed or external start
signal not ok
Check
–P1 „Operation“
Check
–P2 „Ready“
Start signal shorter than 100 ms
white
-X14
Ext.
power
supply
External 24VDC power
supply not ok (D-SUB15)
External
24VDC
power
supply not ok (D-SUB15)
Check fuse 1A1-F2
Check voltage re/-
Check voltage range 16-30VDC
white
Table 7: Error analysis interface board