Operation Manual

58 GMC-I Messtechnik GmbH
9 Displays and Error Messages – Causes – Remedies
Displays and Error Messages Meaning / Cause Remedy
MERISO PRIME+
Test Sequence
Countdown runs here until residual voltage is less than 60 V.
All-clear after an insulation test:
voltage at test probes less than 25 or 60 V depending upon measuring
function
The test has been passed.
The test results are not within allowable limit values.
LCD does not light up
– Mains cable not plugged in
– Mains fuse is blown
– Plug in the mains cable (see chapter 3.4 on page 20).
– Replace the mains fuse (see chapter 10.1 on page 61).
Indicates type of voltage:
Alternating voltage with superimposed direct voltage – direct voltage –
alternating voltage
Insulation measurement:
Interference voltage at the test probes, measurement aborted
Warning against high voltage,
voltage at the test probe between 1,000 V and 5,000 V
Warning concerning a source of danger,
voltage at the test probe between 25 V and 1,000 V
This symbol appears after the voltage measurement value has been fro-
zen (see chapter 4.6 on page 46).
Database Operations
– No measurement has been performed.
– The measurement has already been saved to memory.
See text at the display. Press the START key to repair.