7
40°-
104°F
4°-
40°C
FOR CELSIUS DISPLAY:
PUSH BUTTON
FOR 2 SECONDS
TO TURN OFF
PUSH BUTTON ONCE
PRESS
2
SECONDS
Code
Description
Action
E1
Inlet sensor has a short.
Buttons do not function, no heat. Need to replace sensor.
E2
Outlet sensor has a short.
Buttons do not function, no heat. Need to replace sensor.
E3 (ELS 27 only)
Chamber #1 sensor short.
The heater will continue to operate, continues to heat.
E4 (ELS 27 only)
Chamber #2 sensor short.
The heater will continue to operate, continues to heat.
E5
Remote wiring is in use. The master
external controller is not CFH.
The heater will not heat until the master control has a CFH.
Table D. Fault Codes
11. CONTROL
Turn the control knob to set your desired temperature.
When the set tempera ture is reached the heater will go to
idle and the elements will not draw power.
NOTE:
If the controls and display are active, they still
draw some power.
Digital Control Temperature Setting
The heater comes with a digital temperature control
located in the front panel that can be set from
40°-104°F (4°C-40°C) in one (1) degree increments by a
simple turn of the knob.
The heater is turned OFF by pushing the control knob
once. Hold the knob for two (2) seconds to switch from
Fahrenheit to Centigrade.
40°-
104°F
4°-
40°C
FOR CELSIUS DISPLAY:
PUSH BUTTON
FOR 2 SECONDS
TO TURN OFF
PUSH BUTTON ONCE
PRESS
2
SECONDS
Figure 3. Digital Control for Models ELS 0005 and 0011
Figure 4. Digital Control for Models ELS 0018 and 0027
