Munters SMART-8C - Troubleshooting

© Munters AB, 2016 27
8 Troubleshooting
Display
Problem
Possible Cause
Possible Solution
Error
Error message on the main
screen (instead of Temp
indication); the system does
not read any temperature
sensor
Temperature sensor
not connected
Connect sensor properly
Temperature sensor's
terminals or wires not
connected, or not
properly connected.
Connect terminals and wires
properly. Unbolt the screw,
make sure the plate is
upwards
Wrong terminals
connected
Connect appropriate terminals
Flat cable not
properly connected
Connect flat cable properly
Sensor Fail Faulty sensor
Sensor not connected Connect sensor properly
Sensor's terminals are
not connected, or not
properly connected
Connect terminals and wires
properly. Unbolt the screw,
make sure the plate is
upwards
Wrong terminals
connected
Connect appropriate terminals
Flat cable not
properly connected
Connect flat cable properly
Faulty card, fuse,
connections or
external device
Replace faulty part
No display Unit does not operate
No input voltage Contact authorized electrician
Main fuse burned Check the main fuse (F9 & F6)
Faulty flat cable Replace the flat cable
-
Unclear display or no
display
Contrast is not set
properly
Set contrast (R2) properly
-
No LCD display and LED is
blinking
LCD or CPU problem Replace LCD or CPU card
Alarm or
N/A
Sensor fail
Sensor disconnected
or not properly
connected
Connect sensor properly
CAUTION In case of hardware problems, do not open the box. Contact an authorized
electrician.