Technical data

31 Installation, use and Maintenance manual - ed. 04/14
Other Fault Finding
Problem Cause Remedy
No external alarm fitted but
still fault
Check bridge is in place on
main control panel
Pre-cool cycle enabled Fan will not start until water
has circulated for 5 minutes –
no action required
Electrical supply interrupted Check RCD
Check that power is supplied
to control board
Cooler still in test mode Operate test switch once or
power down
Cooler will not start
.
Cooler still in cleaning mode Operated test switch once or
power down
Cooler is not efficient Pads dirty Clean pads and replace as
appropriate
Pads dirty Clean pads and replace as
approrpriate
Air from cooler smells
Stagnant water Mains power is being turned
off and water not automatically
drain. Resume use of full
control system continuously
Venturi is incorrectly locatedi Make sure venture is correctly
located in cooler
Fan touching venturi
Fan is incorrectly located Adjust fixing points on fan
Capacitor Replace capacitor
Motor Replace motor
Transformer Replace transformer
Motor does not start or
runs with vibration
Control board Replace control board