Raypak RP2100 ASME Operations Instructions download pdf (Page 35)

If the PRS fault code is displayed, it indicates that

there is insufficient water flow through the heater.

Make sure the pool filter and pump strainer are clean

before calling a service representative.

DIAGNOSTICS

The digital thermostat models are equipped with on-

board diagnostic controls. If there is a safety fault, a

fault code will be displayed along with a service

indication.

READING A FAULT

The word “SERVICE” will flash on and off if the PC

board detects a known fault. The fault will be dis-

played in three big letters on the lower left of the dis-

play.

Service Will

Flash

3 Letter

Fault Code

See table

for fault

definition

STATUS CODES

Display Definition

CFH Call for heat

CLK Time clock

EOL End of line test (Factory Use Only)

LON Lo NOx Unit

OFF Off mode

PRO Propane gas configured

REM Remote control activated

SPK Spark

SPR Spare fault code indicator

FAULT CODES

Display Definition

BD1 Board failure

EEP Microprocessor error

FAN Blower pressure failure

FFL Flame sensing when pilot and gas

valves are closed

GVC Gas valve closed

GVO Gas valve open

HL1 High limit switch #1 open

HL2 High limit switch #2 open

IGN Ignition failure

ILO Ignition lockout - Propane units only

PRS Water pressure switch open

ROL Heat roll-out safety switch open

SNS Sensor failure, Water temp. below 36°F

or above 110°F

VNT Vent switch open - This is jumped from

the factory.

PROGRAM MODES

Display Definition

CCC Celsius setting

F/C Change from Fahrenheit to Celsius

FFF Fahrenheit setting

RES Reset defaults

SET Set point max adjustment

NOTE: The LCD temperature display may not agree with the temperature reading of your pool or spa ther-

mometer. The heater reads the water temperature at the inlet. Due to the circulation characteristics of any pool

r spa, the water temperature at the inlet to the heater may differ from that observed at a given location in the

pool or spa.

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Raypak RP2100 ASME Operations Instructions Page 35

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