If the LED lights and display on your Compupool CPSC unit are all off, you may need to replace the fuse in the Power Pack.. This guide shows you how to check and replace a blown fuse. Note: Fuses were only used in the Compupool Power Packs prior to 2010. After 2010 the fuse was replace with a circuit breaker.
TURN OFF POWER - Turn off all power to the Compupool Salt Chlorine Generator and pump. If possible, turn the power off at the circuit breaker. Make sure power is OFF and cannot be accidentally turned on while you are changing the cell cord. This is 240V. If you are unfamiliar with electricity, have an electrician help you with the electrical changes.
REPLACE NEW FUSE - The number of the fuse is etched in the metal end. Replacement fuse are as follows:
3.15 amp slow blow fuse for the CPSC08, CPSC16 and CPSC24 units wired at 220V
5 amp slow blow fuse for the CPSC16, CPSC24, CPSC36, CPSC48 wired at 110V
5 amp slow blow fuse for the CPSC36 and CPSC48 wired at 220V