INSTALLATION AND OPERATING INSTRUCTIONS
72-0106 01-07-16
7013482 314 SKSM 215 A
Page 11
SECTION 14: TROUBLESHOOTING
Control will Run but No Heat - Press the (reset) high limit switch on the bottom of heater.
Slow Heat Time or High Limit Tripping - Check rock placement, they will break down over time and reduce the air
ow in the heater. Refer to Diagram 10 for proper rock installation. Discard all rocks under the size of 2" pieces. Call
the number below to order more rocks if needed.
In the event of a fault occurring in the heater system (control panel, temperature sensor, etc.), this will be signaled
by the LED indicator light on the control panel. The fault indicator light will be displayed on the 1-10 scale of the
control. The fault error code will be displayed with a constant LED light or a ashing LED light. See the list below for
fault codes.
Constant LED Fault Code (ones marked with “n/a” are not in use):
1 Temperature sensor not connected or it is faulty
2 n/a
3 Heater circuit board overheated
4 One or more relay defective
5 n/a
6 n/a
7 Temperature sensor
8 n/a
9 Clock disconnected
10 Power supply to clock disconnected
Flashing LED Fault Code
1 n/a
2 n/a
3 n/a
4 Temperature sensor faulty
5 Problem with device connection
6 n/a
7 n/a
8 Too many temperature sensors connected
9 n/a
10 n/a
For troubleshooting or service questions call 1-888-780-4427 and ask to speak with service. Prior to calling, please
have the Model and Type number available. You may also email us at