8 troubleshooting and fault elimination, 1 troubleshooting, 1 display at the controller – Lenze 8240 HVAC Series User Manual
Page 77: 2 display at the operating module, Troubleshooting and fault elimination, 8troubleshooting and fault elimination

Troubleshooting and fault elimination
8-1
UOOuhäáã~_^NMMO
8
Troubleshooting and fault elimination
vзм Е~е кЙЕзЦебтЙ бггЙЗб~нЙду пЬЙнЬЙк ~ С~мдн Ь~л зЕЕмкЙЗ Ду Зблйд~у ЙдЙгЙенл зк
лн~нмл беСзкг~нбзе EЕЬ~йнЙк UKNFK
qЬЙ С~мднл Е~е ДЙ ~е~дулЙЗ Ду млбеЦ нЬЙ Ьблнзку ДмССЙк EЕЬ~йнЙк UKOF ~еЗ нЬЙ дблн бе
ЕЬ~йнЙк UKPK qÜáë дблн ЬЙдйл узм нз Йдбгбе~нЙ нЬЙ С~ìäíëK
8.1
Troubleshooting
8.1.1
Display at the controller
aìêáåÖ зйЙк~нбзе пбнЬзмн зйЙк~нбеЦ гзЗмдЙ нпз iba ~н нЬЙ мебн Скзен беЗбЕ~нЙ нЬЙ
зйЙк~нбеЦ лн~íìëK
LED
Operating status
green
red
p
g
on
off
Controller enabled
on
on
Mains switched on, 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
pн~нмл беЗбЕ~нбзел бе нЬЙ Зблйд~у беЗбЕ~нЙ нЬЙ ЕзенкзддЙк лн~íìëK
Display
Meaning
OV
Overvoltage
UV
Undervoltage
IMAX
Set current limit exceeded
TEMP
Heat sink temperature near switch-off
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