13 what if – JUMO 14597 safetyM TB/TW - Temperature Limiter and Temperature Monitor Operating Manual User Manual
Page 49
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13 What if...
47
Description
Cause
Remedy
Relay contact between
terminals 9, 10 or 9, 12
does not switch.
-
The fitted safety fuse in the pole arm 9 is
faulty.
h
Measure terminals 9 and 10 of the relay with
a continuity tester when LED K1 shows
green.
h
Measure terminals 9 and 12 of the relay with
a continuity tester when LED K1 is off
h
The instrument must be returned to JUMO
for repair.
v
Chapter 2.1 “Service addresses”
Double LED lit (green and
red simultaneously)
-
Internal system error
- Switch the supply off and then back on again
If this does not help, the instrument must be
returned to JUMO for repair.
v
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