Symptom Possible cause Corrective action
Low outlet pressure Blocked filter Check/replace filter elements.
Blocked filter desiccant cartridge Check/replace desiccant cartridge.
Excessive purge air flow See excessive purge air flow.
Dryer won't
pressurize
Incorrect start-up Keep downstream isolation valve closed.
Open upstream valve slowly. Power the dryer
once pressurised.
Package won't
electrically energise
Faulty wiring to controller Check electrical wiring.
Wrong supply Check the voltage supply.
Power LED does not illuminate Replace controller.
Instruction book
2920 7083 21 53