Install Instructions

MSC‑1 Installation & Operating Instructions 9
System is not operating and system
is not lit.
Display is not lit and power switch
is on.
System is not operating, Temperature
Standby on display.
Error! ‑ TS‑1 on display and system
not operating.
Error! ‑ TS ‑1 on display after
corrections made.
Error! ‑ P‑1 on display and system
not operating.
The aerial or gutter sensors are wet
(covered in snow), the LED above
the corresponding terminal block is
lit and the system is not turning on
heating.
The in‑ground sensor is wet (covered
in snow), the sensor surface is
warm and system is not turning on
heating.
TROUBLESHOOTING GUIDE
Problem
Possible Cause
Correction
No power to MSC‑1.
Supply not energized or power input
fuse burned out.
The MSC‑1 is in a standby mode,
the ambient temperature outside is
above the temperature required to
melt snow and so the system goes
into a standby mode.
There is a communication problem
with the temperature sensor.
Need to clear TS‑1 error from MSC‑1
program.
There is a communication problem
with the in‑ground sensor.
Possible communication problem with
the aerial or gutter sensor. No error
message will show on the display
when this occurs.
The surface of the in‑ground sensor
may be dirty, possibly covered with
sealant.
Turn on power using switch on front
panel.
Check power supply. If LED above
power input terminal connection is
not lit, replace fuse (4A spare fuse
supplied with MSC‑1).
NORMAL OPERATION, however,
if re qu i re d, th e A mb ie nt Of f
Temperature can be adjusted, see
the MSC‑1 programming instructions
for complete detail.
Make sure the temperature sensor
lead wires are connected to the
terminal properly. If the sensor
wire has been extended, use no
smaller gauge than 3 wire 18ga UN‑
SHIELDED cable. Make sure the sensor
wire is run in a dedicated conduit. The
system can be run manually. See the
MSC‑1 programming instructions for
complete detail.
Turn off system using the front panel
switch, wait 10 seconds and turn on
again. The MSC will now recognize
the sensor.
Make sure the in‑ground sensor lead
wires are connected to the terminal
properly. If the sensor wire has
been extended use no larger than
4 wire 18ga SHIELDED cable. The
system can be run manually. See the
MSC‑1 programming instructions for
complete detail.
Make sure the aerial or gutter sensor
lead wires are connected to the
terminal properly. If the sensor wire
has been extended use no larger than
3 wire 18ga SHIELDED cable. The
system can be run manually. See the
MSC‑1 programming instructions for
complete detail.
Clean the sensor surface to get rid of
any contaminant, use mild detergent
and carefully scrub with steel wool.