TROUBLESHOOTING
The digiheat should only be serviced by qualified service technicians. However, some
problems can be checked and rectified by the owner before making a service call.
FAULT
POSSIBLE CAUSE
ACTION
Display is blank
No power
Check the isolating switch is on and not
damaged.
blown fuse
Check the power circuit fuse or circuit
breaker has not blown or tripped.
rCd tripped
reset rCd.
nFL
Pump not on or pressure
switch needs to be adjusted
Switch on pump or adjust pressure
switch.
o/t
Over-Temperature reset
Switch tripped
See “Over-Temperature reset Switch
tripped” below.
Water inside digiheat reached
45°C /113°F
(spa water is still cold)
Check for and remove blockages in the
filter and pipe-work. Check for blockages
in the impeller and call for service if items
are found in the pump/impeller. Press
Over-Temperature reSeT.
Over-Temperature
Reset Switch
tripped (touch
pad power
indicator light
blinking)
Water in spa reached
45°C /113°F
(touch pad shows lower
temperature)
Properly secure sensor in housing (refer
to “Installing the Sensor” on page Press
Over-Temperature reSeT.
Over-Temperature Sensor not
connected or faulty
re-check Temperature bias
(refer to “temperature calibration”)
Press Over-Temperature reSeT.
Call service to connect or replace.
Over-Temperature
Reset Switch
tripped shortly
after power-up
Over-Temperature Sensor not
connected.
Check sensor is connected to Control
box.
If not, call service to connect the sensor.
Touch pad display
shows 00
Temperature Sensor faulty.
Call for service to replace Temperature
Sensor.
Water level too low
Add water to spa or pool to operate
pressure switch.
Heater will not
operate
Faulty element
Call for service.
12 I digiheat Titanium In line Spa Heaters
