Instruction manual

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8.4.2 SmartElec base unit LED indicator location/function:
Red mains on LED
Yellow heat on LED
(pulsing when heat on)
The system can be reset by powering-up the
panel whilst holding down the and .
buttons.
The display shows the ‘start’ pattern but then
goes blank.
Release the buttons where upon the display
resumes and the system addressing
commences, finding only those air curtains
which are actually connected and working.
If appears on the display, press and
hold the button for a few seconds then
release. The display will then return to the
normal mode.
E ng
Alternatively, the engineer’s mode automatically
self-clears after approximately 10 minutes of non
-activity on the switches.
8.4.1 SmartElec2 fault codes
*NOTE: ‘#’ denotes the controller number.
Code Description Symptom Possible cause Remedy
#*_ _
COMMUNICATION FAILURE.
No control on
faulty unit
Bad data cable connection Check data cable(s) and plugs
Damaged cable Repair/replace damaged cable
AIR SENSOR TEMPERATURE
TOO HIGH
or
Fan operating,
no heat
High ambient air temperature Check ventilation
Impeller turning in wrong
direction
Check rotation of impeller
Motor failure Check motor & replace if necessary
AIR SENSOR FAILURE.
Fan operating,
no heat
Air sensor cable disconnected Check cable
Air sensor broken Replace air sensor
# E3
HEATSINK TOO HOT
Fan operating,
no heat
High ambient air/faulty base
unit
Replace SmartElec base unit
# E4
HEATSINK SENSOR FAILURE
Fan operating,
no heat
Heatsink sensor wiring
disconnected/faulty
Check wiring
Heatsink sensor faulty Replace SmartElec base unit
# E5
EXTERNAL TEMPERATURE
SENSOR FAILURE
Unit runs, but
no external
temperature
control
External temperature sensor
faulty
Replace sensor
External temperature sensor
wiring faulty
Repair/replace faulty wiring
# E6
OVERHEAT THERMOSTAT
OPEN CIRCUIT
Fan operating,
no heat
Overheat thermostat open
circuit
Reset/replace overheat thermostat
# E1