Endress ESE 1104 DBG ES FS DIN, Operating Instructions Manual

Page: 52 / 88

52
ESE 904 - 1304 DBG DIN Status: at January 2013
Symbol Result Significance
lights up red
Circuit breaker jumps to Pos. 0 and
the generator cuts out
Insulation monitoring is OK
stays off
Circuit breaker stays in Pos. 1 and
the generator continues to run
Insulation monitoring is defective
Table 5.4: Insulation monitoring plus switching off
The insulation monitoring test has been run.
4. The reset button
(see Fig. 5-2-(2))
must be pressed after
switching off and the circuit breaker must be turned
back to Pos. 1 so that the unit can be used again.
1. Plug in the consumer and switch on.
The displayed symbol (see
Fig. 4-6-(8))
and the position of
the circuit breaker indicate the result:
Symbol Significance
lights up red Insulation fault ( ≤ 23 k Ω )
Yellow Insulation fault ( ≤ 34.5 k Ω )
stays off Connected unit is OK
Table 5.5: Insulation monitoring whilst running without switching off
If an insulation fault exists and the unit was previously
OK when tested without a device connected (see above),
the insulation fault has been caused by the device.
2. After the device has been switched off and unplugged,
the circuit breaker must be returned to Pos. 1, and the
generator must be restarted, in order for the device to be
operated again.
Insulation monitoring
whilst running: