Solenoid valve does not open
JOWA REP-1L, ultraviolet drinking water steriliser
Possible cause
Lamp fault, intensity alarm, alarm relay faulty
What to do
Manufacturer's manual, p. 16Check items above, relay voltage 110 V, replace relay
Other JOWA REP-1L faults
Low reading on lamp meterLamp burnt out, bad connections, ballast fault, wrong supply voltageLow reading on intensity meterLamp faulty, dirty chamber, photocell or circuit board faultyBoth meters read zeroLamp faulty or automatic fuse off
From the manufacturer's manual “EM-26 RE-UV-PURIFIERS”. Check against the original on board before work.