12. Alarm messages
Alarm message
Description
The insulation resistance is lower than the
Alarm 1 (insulation fault)
response value R
The insulation resistance is lower than the
Alarm 2 (insulation fault)
response value R
Connection fault system
Connection system
(available from software version 2.x)
Connection PE
Connection fault. E/KE not connected to PE
Device error x
Internal device error
Overtemperature
Overtemperature coupling terminal L1/+ or L2/–
coupling
Overtemperature PGH
Overtemperature of the locating current injector • Wait for the end of the cool-down period
(only iso1685DP)
Check date and time!
Date and time have not been set yet
48
Actions
• Determine cause of the insulation fault and eliminate it.
an1
• Determine cause of the insulation fault and eliminate it.
an2
• Check the wiring of terminals L1/+, and L2/– to the IT system
• Press the test button
• Check mains voltage
• Check fuses
• Check the wiring of terminals E and KE to earth (PE)
• Press the test button
• Press the TEST button
• Switch the supply voltage off and on
• Contact Bender service
• Check mains voltage level. The device connects itself again
automatically after the cool-down period
• Set local date and time
(buffer of three days in case of voltage failure)
Reference
LED indicators
see "Alarm messages" on
ALARM 1 is lit
page 48.
see "Alarm messages" on
ALARM 2 is lit
page 48.
ALARM 1 + ALARM 2
see "Connection" on
flash in common
page 17.
mode
ALARM 1 + ALARM 2
see "Connection" on
flash in common
page 17.
mode
SERVICE is lit
SERVICE is lit
SERVICE is lit
see "Clock" on page 39.
isoxx1685Dx-x25_D00272_05_M_XXEN/04.2018
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