Troubleshooting and fault elimination
UOMu_^MVMO
8-1
8 Troubleshooting and fault elimination
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8.1 Troubleshooting
8.1.1
Display at the controller
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çÑ íÜÉ ÅçåíêçääÉê áë Çáëéä~óÉÇ çå íïç ibaë ~í íÜÉ Ñêçåí çÑ íÜÉ ìåáíK
LED
Operating status
green
red
on
off
Controller enabled
on
on
Mains switched on and automatic start inhibited (AS_LC)
blinking
off
Controller inhibited
off
blinking every second
Fault message, check under C161
off
blinking every 0.4 seconds Undervoltage switch-off
off
off
Programming mode
8.1.2
Display at the operating module
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Display
Meaning
OV
Overvoltage
UV
Undervoltage
IMAX
Set current limit exceeded
TEMP
Heat sink temperature near switch-off
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