DOLD VARIMETER IMD RN 5897/321 Traduzione delle istruzioni originali - Pagina 4

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Indicators
Connection
measuring ciruit or
coupling device
Indicator relay
alarm and system error
External
control input
RN 5897/321
Indicators
The operational status of the device is indicated on a 3-colour LED:
Off:
No auxiliary voltage connected
Green:
Normal operation (Insulation resistance in healthy
state)
Red:
Alarm (measured value below alarm response value)
Orange:
Warning (measured value below pre-alarm response
value)
Orange flashing: Test mode / Measurement stopped procedure
(see table flashing code)
Red flashing:
Failure code (see table flashing code)
Flash code
orange
Status-LED
1
(measuring circuit, measuring voltage,
2
(additional control of indicator relays)
continously
Measuring function stopped
flashing
Auxiliary
voltage
Protective
conductor
M12498_c
Description
Selftest
internal tests)
Advanced Test
Error Indication
Flash code
red
Failure cause
Status-LED
Broken wire detection
1
on L(+)/L(-).
Broken wire detection
2
on PE1/PE2.
Internal failure
3
detected in
test mode
Modbus timeout
9
detected
Faulty calibration
10
values detected in
device memory.
Internal
11
communication error
occured
Internal software error
12
occured
4
Failure recovery
Check
measuring circuit
L(+) and L (-)
Check
protective earth
connections
PE1 and PE2
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.
Lock Modbus timeout,
extend timeout time, or adjust
communication with the master.
Send device back to manufacturer
for recalobration and examination.
Restart the unit by interrupting the
auxiliary supply temporarily.
If the fault remains permanent,
send device back to manufacturer
for examination.
Restart the unit by interrupting the
auxiliary supply temporarily.
If the fault remains permanent,
send device back to manufacturer
for examination.
12.07.22 en / 604A