5
06.05.21 en / 393A
Indicators
Display-Indication
Measuring- resp. display value
Insulating resistance in k
Ω
resp. M
Ω
(„----“ complies RE
≥
2 M
Ω
)
Asymmetrical insulating resistance in k
Ω
against L+ or L- at DC-mains
Measured mains voltage in V
at AC- or DC-mains
(„----“ indicates invalid voltage value or
voltage < 5 V)
Stored min. insulating resistance
in k
Ω
resp. M
Ω
Latest firmware-version
Display-Indication
Test function
Display-Test
Selftesting
(measuring switching, measuring voltage,
internal tests)
Advanced Test
(additional control of indicator relay)
Error Indication
Display-Indication
Failure cause
Failure recovery
Broken wire detection
on L(+)/L(-).
Check
measuring circuit
L(+) and L (-)
Broken wire detection
on PE1/PE2.
Check
protective conductor
connections
PE1 and PE2
Internal failure
detected in
test mode
Press test button again
or restart the unit by
interrupting the auxiliary
supply temporarily.
If the fault remains
permanent, send device
back to manufacturer for
examination.
Faulty calibration
values detected in
device memory.
Send device back
to manufacturer for
recalobration and
examination.
