King Electric SST 3 - Manual (Page 24)

Adjustable Electronic Thermostat TRACON
®
Model SST–3 (P/N 24492)
Instruction Manual
24494 Rev. - 04/12 (800) 234-4239 http: www.networketi.com Environmental Technology, Inc. 24 of 28
TROUBLESHOOTING
If any unusual condition occurs with the unit, refer to troubleshooting charts 1 and
2 in this section. Prior to removal of any equipment, contact Environmental
Technology, Inc., Technical Support at (800) 234-4239
between 8:00 a.m. and
5:00 p.m., Eastern Time, to begin the troubleshooting process.
LL Fault
on display
PRB Fault
on display
Install
temperature
probe
Is
temperature
probe
installed
Possibly
faulty probe
should be
100K ohm at
70 degree F
Replace
probe
Possible heater
issue. Not
connected properly
or heater failure
Temperature is
at least 4
degrees less
than set point
Low
temperature
limit fault
Re-position
probe
Temperature
probe
fault
Is
temperature
probe installed
in proper
location
Are heaters
getting warm or
hot?
Was the
unit just installed
or was power
off?
Normal operation
wait for heaters
to bring system
to operating
temperature
Yes No
Yes
Yes
Yes
No
No
No
SST-3
troubleshooting
charts
TROUBLESHOOTING FLOWCHART 1.