Waterco Digiheat In Line Heaters
TROUBLESHOOTING
The spa pump 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
nFL
o/t
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.
Pump not on or pressure switch
needs to be adjusted
Switch on pump or adjust pressure switch.
Over-Temperature Reset Switch
tripped
See “Over-Tempture Resure 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.
I
pg 09
Model
Weight
(kg)
Min
Flow
Rate
(lpm)
Max
Flow
Rate
(lpm)
Supply
Voltage
(volts)
frequency
(Hz)
amps
minimum
circuit
size
(amps)
IP
rating
Max
Pressure
(kpa) @
31m head
2.4 kW
3.5
100
350
240
50
10
15
IP23
300
3.6 kW
3.5
100
350
240
50
15
20
IP23
300
4.8 kW
3.5
100
350
240
50
20
25
IP23
300
6.0 kW
3.5
100
350
240
50
25
30
IP23
300
18.0 kW
9.5
150
450
415
50
25 /phase
30
IP23
300
24.0 kW
9.5
150
450
415
50
35 /phase
40
IP23
300
Specifications
Complies with EN60335.2.60 and AS3136/NZS6232.
WARRANTY
Waterco DigiHeats are covered by a comprehensive 12 month warranty.
Please refer to Waterco’s warranty terms and conditions.
312
469
161
594
240
267
736
273
161
332
