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SKVF Evaporative Cooler
Installation Instructions and User Manual
www.neptronic.com
Page | 52
Troubleshooting
Table 12 - Troubleshooting Guide
Problem
Possible Cause
Corrective Action
Evaporative cooler does not
operate (Screen turned Off)
Power is not being supplied to the
evaporative cooler.
Check the main power supply. Verify the
circuit breaker.
The low voltage fuse is open.
Check the transformer and the low
voltage fuse. Verify that the low voltage
circuit is complete.
Wire harnesses inside the evaporative
cooler are not secured properly.
Check the wires harnesses and the main
PCB. Verify that all connections have
been made properly.
Evaporative cooler does not
operate (Screen turned On,
Status Display LED: Off)
The evaporative cooler is not powered
on.
Verify that the Power button has been
pressed and held for 3 seconds for
correct activation.
Evaporative cooler does not
cool or humidify (No demand)
No analog signal detected.
Verify the setting of the control input.
High limit switch is open.
Check the operation of the high limit
switch.
Interlock contact is open.
Check the interlock contact.
Control wires are not properly secured
to the terminal blocks.
Verify the connections of the wires to the
control terminal blocks.
No water inside the tank or
evaporative cooler does not
stop draining
(Only for SKVF-R models)
Evaporative cooler is being filled with
water but has not yet reached or does
not reach the high limit.
- Verify that the drain valve is closed.
- Check if the shutoff valve on the water
supply line is open.
- Verify the operation of the fill valve.
- Check that the fill valve strainer and the
external strainer are not blocked.
Evaporative cooler is not being filled
with water.
Evaporative cooler does not
drain
(Only for SKVF-R models)
Drain valve is clogged.
Check the drain valve.
During a drain cycle, the water level
has not decreased.
Verify that the recirculation pump, the fill
and drain water pipe connections are not
obstructed.
Water is leaking from the tank
The evaporative cooler is not properly
levelled or installed.
Check that the installation of the
evaporative cooler is level.
The tank is damaged.
Check for any damage or holes in the
tank.
Water is leaking from the water piping
connections.
Check for any damaged or ill-fitted
drainpipe-work and ensure that there are
no leaks.
Evaporative cooler has a loss of
performance
The media cassette is blocked or
damaged.
Check for any damage or accumulation
of scale or minerals, then replace the
media cassette if required.
The media cassette is not installed
correctly.
Verify that the cassette is properly fitted
and installed and fix the position if
necessary.
Not enough water is flowing.
Check to see that the hoses are not
blocked and clean or replace if required.
Summary of Contents for SKVF 15 Series
Page 55: ...Notes ...