Service Diagnostic Messages; Ignition Control Led Service Codes - Jandy 200 Installation And Operation Manual

Jandy Pro Series, JXi
®
9.2

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
FAULT-
PUMP
NO FLOW
FAULT-
HIGH LIMIT
FAULT-
FUSELINK/FIELD
FAULT-
CHECK IGNITION STEPS
FAULT-
SHORTED H2O SENSOR
or
FAULT-
OPEN WATER SENSOR
9.3

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 9.2, Service Diagnostic Messages.
LED Code
The LED light is on
continuously.
LED single flash.
LED double flash.
LED triple flash.
|
Gas-Fired Pool & Spa Heater
™
Possible Cause
• Status message indicating the filter
pump is currently turned OFF when the
heater system programmed in Maintain
Temp mode.
• Pump is not running.
• Low pump pressure.
• Pressure switch fault.
• Variable speed pump set too low.
• Water temperature in heater exceeds
the internal limit.
• Limit switch fault.
• Temperature control thermostat failure
• Vent temp limit fault
(240°C- Marked with red paint)
• Broken, split, pinched or disconnected
air pressure switch.
• Fan not operating.
• Fan running slow or premature fan
failure.
• Air flow restricted at intake or discharge.
• Broken igniter.
• Low gas supply pressure.
• No flame at burners.
• Faulty wiring or connection.
• Failed water temperature sensor.
Fault Description
Ignition Control Fault. Refer to
qualified service personnel.
Air flow fault.
Flame exists when there is
NO call for heat. Refer to
qualified service personnel.
Ignition lockout (heater has
cycled three (3) times and has
locked out after the third try).
Installation & Operation Manual
• No Service Required. This is normal when the control
is in a Maintain Temp mode.
• Check breakers and power source, recheck wiring, set
time clock and current time.
• Clean filter or clear blockage, check position of valve in
plumbing system.
• Adjust or replace pressure switch.
• Adjust variable speed pump.
• Refer to qualified service personnel.
• Identify and correct loose connections
• Replace switches.
• Refer to qualified service personnel.
• Identify and correct loose connections.
• Replace vent temperature limit switch.
• Refer to qualified service personnel.
• 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
blockage or restriction at discharge of flue.
• Clean filter.
• Check the circuit.
• Check ignition control LED codes (see Section 9.3,
Ignition Control LED Service Codes).
• Identify and repair incorrect supply pipe size or pipe line
blockage.
• Identify and correct loose wiring connections, or
problems with igniter, gas valve, or ignition control.
• Refer to qualified service personnel.
• Inspect water temperature sensor wiring.
• Ensure sensor is connected correctly into the PCB.
• Replace water temperature sensor.
• Refer to qualified service personnel.
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ENGLISH
Remedy