MST-5C INSTALLATION
Section B-18
MST-5C
Troubleshooting
SYMPTOM
CAUSE
REMEDY
Temperature probe
reads
LO
Temperature is below -58°F
(-50°C).
Probe is disconnected or
defective.
Check all connections. If
the problem persists, and
the temperature is within
normal range, replace the
probe.
Temperature probe
reads
HI
Temperature is above
140°F (60°C).
Probe is short circuited or
defective.
Check all connections. If
the problem persists, and
the temperature is within
normal range, replace the
probe.
Displays are blank
MST-5C is not powered.
Flat cable between the
main and top boards of the
MST-5C
is disconnected.
Make sure the control is
powered.
Make sure the flat cable is
connected.
Make sure the fuse is
correct.
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Summary of Contents for MST-5C
Page 3: ...MST 5C WIRING DIAGRAM MST 5C Section A 3 WIRING DIAGRAM MST 5C SECTION A www monitrol com ...
Page 6: ...MST 5C INSTALLATION Section B 6 MST 5C INSTALLATION MST 5C SECTION B www monitrol com ...
Page 19: ...MST 5C USER S GUIDE MST 5C Section C 19 USER S GUIDE MST 5C SECTION C www monitrol com ...
Page 43: ...MST 5C INDEX WARRANTY MST 5C Section D 43 INDEX WARRANTY MST 5C SECTION D www monitrol com ...
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Page 48: ...MST 5C_EN VER 1 3 November 20 2012 www monitrol com ...