Jandy JXi 200 Installation And Operation Manual - page 38
Page 38
ENGLISH
Jandy
®
Pro Series, JXi
™
Gas-Fired Pool & Spa Heater
|
Installation & Operation Manual
10.2 Service Diagnostic Messages
The controller monitors several functions of the heater.
In the event of a malfunction, the controller will display
a FAULT message. The following table lists the Heater
Service Messages along with potential causes and
remedies.
Fault Message
Possible Cause
Remedy
CHECK FLOW
•
Pump is not running.
•
Low pump pressure.
•
Pressure switch fault.
•
Variable speed pump set too low.
•
Check breakers and power source, recheck wiring, set
time clock and current time.
•
Cleanfilterorclearblockage,checkpositionofvalvein
plumbing system.
•
Makesurereturneyeballfittingsareinstalledonthe
wall of the pool
•
Adjust or replace pressure switch.
•
Adjust variable speed pump.
•
Refertoqualifiedservicepersonnel.
FAULT-
HIGH LIMIT
•
Water temperature in heater exceeds
the internal limit.
•
Limit switch fault.
•
Inspect vent for obstructions or blockages.
•
Indoor installations, check vent pipe for bird, insect or
rodent activity that could cause a blockage.
•
Replace switches.
•
Refertoqualifiedservicepersonnel.
FAULT - HIGH FLUE
TEMPERATURE
•
Flue temp limit fault
•
Identify and correct loose connections.
•
Replacefluesensor.
•
Refertoqualifiedservicepersonnel.
FAULT-
CHECK IGN CONTROL
•
Broken, split, pinched or disconnected
air pressure switch tubing.
•
Fan not operating.
•
Fan running slow or premature fan
failure.
•
Airflowrestrictedatintakeordischarge.
•
Broken igniter.
•
Low gas supply pressure/volume.
•
Noflameatburner.
•
Check tubing and replace if necessary.
•
Correct fault or replace fan.
•
Replace igniter.
•
Verify proper wiring for 120 VAC or 240 VAC.
•
Check for proper clearances around heater and for
adequate room ventilation if enclosed. Inspect for
blockageorrestrictionatdischargeofflue.
•
Check ignition control LED codes (see Section
10.3
,
Ignition Control LED Service Codes).
•
Verify that the size, length and number of elbows on the
gas supply line meet national codes.
•
Identify and correct loose wiring connections, or
problems with igniter, gas valve, or ignition control.
•
Refertoqualifiedservicepersonnel.
FAULT-
SHORTED H2O SENSOR
or
FAULT-
OPEN WATER SENSOR
•
Faulty wiring or connection.
•
Failed water temperature sensor.
•
Inspect water temperature sensor wiring.
•
Ensure sensor is connected correctly into the power
interface board (PIB).
•
Replace water temperature sensor.
•
Refertoqualifiedservicepersonnel.
FAULT-
PUMP
•
Statusmessageindicatingthefilter
pump is currently turned OFF when the
heater system programmed in Maintain
Temp mode.
•
No Service Required. This is normal when the control
is in a Maintain Temp mode.
10.3 Ignition Control LED Service Codes
In addition to service diagnostic messages, the ignition
controller has an LED light that flashes to indicate
various ignition control faults. The table below lists the
LED codes and the corresponding fault description. To
diagnose possible cause and remedy, refer to
Section
10.2
, Service Diagnostic Messages.
LED Code
Fault Description
The LED light is on
continuously.
Ignition Control Fault. Refer to
qualified service personnel.
LED single flash.
Air flow fault.
LED double flash.
Flame exists when there is
NO call for heat. Refer to
qualified service personnel.
LED triple flash.
Ignition lockout (heater has
made three (3) unsuccessful
attempts to fire and is in a soft
lockout condition).