24
HeatMaster
SS
C Series Furnace Operating Manual
SpecicationsTroubleshooting Error Messages
Display Message:
E1 Appears when either the up or down key is pressed when not
in the programming mode To correct: If the E1 message appears
even when no keys are being pressed replace the control.
E2 Appears if the control settings are not properly stored in
memory. To correct: Reset all settings. If the display continues
to show E2, replace the control.
EP Appears when the probe is open, shorted, or sensing a
temperature that is out of range To correct: Check to see if
the sensed temperature is out of range. If not, check for probe
damage by comparing it to a known ambient temperature
between -30°F and 220°F. Replace the control if necessary.
EE Appears if the EEPROM data has been corrupted. To correct:
This condition can not be eld repaired. Replace the control.
CL Appears if calibration mode has been entered. To correct:
Remove power to the control for at least ve seconds. Reapply
power. If the CL message still appears, replace the control.
Input Voltage
120 or 208/240 VAC (24 VAC optional), 50/60 Hz
Temperature Range 30˚F to 220˚F
Differential Range 1˚F to 30˚F
Sensor Thermistor, 1.94” long x 0.25” diameter with 8’ cable
Power Consumption
120/208/240 VAC: 100 milliamps
24 VAC: 2-6 VA
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