Jandy LJ Installation And Operation Manual

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Jandy LJ Installation And Operation Manual Manual pdf 39 page image

Page 36FL 0(open switch in thesafety circuit)FL 1(temperature sensor)FL 2(failed ignition)1. Pressure Switch OpenedA. Pump is not running.B. Low pump/water pressure.C. Air is in the water line.D. Pressure switch fault.2. Hi Limit Switch TrippedA. Water temperature in heaterexceeds the internal limit.B. Limit switch fault.3. Fusible Link OpenedA. Internal cabinet temperaturesexceed the fusible link limit.B. Fusible link fault.1. Temperature Sensor ErrorA. Temperature sensor opened orshorted.B. Failed sensor.1. No IgnitionA. Low gas supply pressure.B. Air in gas line.C. No gas flowing.D. Gas valve fault.2. Ignition, but no Flame SensingCapabilitiesA. Flame sensor is not in theflame.B. Flame sensor circuit is open.C. Flame sensor rod is grounded.D. Flame sensor circuit isshorted.A. Turn pump on or check to see that external timeclock is synchronized with LJ controller timeclock.B. Clean filter or clear blockage/check position ofvalves in plumbing system.C. Check for air leaks in plumbing system.D. Adjust or replace pressure switch. Refer toqualified personnel.A. Identify and correct cause of overheating. Referto qualified personnel.B. Identify and correct loose connections or replaceswitches. Refer to qualified personnel.A. Identify and correct cause of overheating. Referto qualified personnel.B. Identify and correct loose connections or replacefusible link. Refer to qualified personnel.A. Check for loose connections and inspect sensorwires and routing.B. Replace temperature sensor. Refer to qualifiedpersonnel.A. Identify and repair incorrect supply pipe size orpipeline blockage. Refer to qualifiedpersonnel.B. Shutdown heater and restart. If the heater doesnot ignite, refer to qualified personnel.C. Be sure that the manual gas cock and theautomatic valve are in the "ON" position. Checkfor loose wire connections at gas valve.D. Replace gas valve. Refer to qualifiedpersonnel.A. Ensure that the flame sensor is aligned over theburner. Refer to qualified personnel.B. Identify and correct loose connections. Refer toqualified personnel.C. Ensure that flame sensor is installed properlyand is not in contact with burner or heater jacket.Refer to qualified personnel.D. Inspect flame sensor rod, wiring and connectionsbetween sensor and power circuit board. Referto qualified personnel.LITE2 LJ CONTROLLER HEATER SERVICE DIAGNOSTIC GUIDESERVICE CODE CAUSE REMEDY