Status And Diagnostics - Raypak 266A Installation And Operation Manual

NOTE: Both the POOL and SPA setpoints will revert
back to 65°F (18°C) and the POOL and SPA maximum
temperature settings will be 104°F (40°C). These
setpoints will need to be readjusted to desired settings.
NOTE: The LCD temperature display may not agree with
the temperature reading of your pool or spa thermometer.
The heater reads the water temperature at the inlet. Due
to the circulation characteristics of any pool or spa, the
water temperature at the inlet to the heater may differ
from that observed at a given location in the pool or spa.

Status and Diagnostics

The digital models are programmed to display a variety
of status and diagnostic messages, depending on the
operating conditions.
The following heat status messages are displayed in Pool,
Spa, and Remote modes when there are no active fault
conditions.
Display
Call for heat established, flame present.
Heating
Spark operating.
Spark
Heat demand is satisfied.
No Demand
Table O. Heater Status Messages - No Active Faults
The following conditions are displayed in Pool, Spa and
Remote modes.
Display
Thermistor temperatures disagree by
Sensor Failure
more than 2°F (1°C).
Thermistor sensor failed open. Below
Sensor Open
-20°F (-29°C).
Thermistor sensor failed short. Above
Sensor Short
217°F (103°C).
Board is sensing flame when
both main and pilot valves are
Flame w/o CFH
commanded shut.
Pilot gas valve output is not in
PV Output Fault
commanded state.
Main gas valve output is not in
MV Output Fault
commanded state.
Voltage is sensed at the Lo NOx
terminal on a non -Lo- NOx heater
LoNox Tab Fault
(Lo NOx tab is intact).
Board fault, replace board.
Internal Fault
Memory fault, reset set points,
EEPROM Fault
replace board if fault does not clear.
Time clock/fireman switch circuit is
Clock/Fireman Sw
open.
Low Temp
Water temperature below 36°F (2°C).
Lockout
Table P. Heater Status Messages - Active Faults
Condition
Condition
The following conditions are displayed only while there is a
demand for heat present.
Display
Water pressure switch open.
Water Sw Open
Vent/Field
Vent spill switch/field switch #1 open.
Sw #1
High limit 1 open.
Hi Limit 1 Fault
High limit 2 open.
Hi Limit 2 Fault
Rollout switch open.
Rollout Sw Open
Field-supplied flow switch/field switch
Flow/Field SW #2
#2 open.
Alternating with "No pilot sensed"
- Pilot flame not established within the
Ignition Lockout
required time (15 sec or 90 sec).
(Propane Tab
Alternating with "Main Ign Failure"
Broken)
- Pilot flame lost during the 8 second
trial to ignite the main burner.
Ignition Failure Alternating with "No pilot sensed"
- Pilot flame not established within 90
(Propane Tab Not
seconds.
Broken)
Alternating with "Main Ign Failure"
- Pilot flame lost 4 times within the 8
Ign 60 min Delay
second trial to ignite the main burner.
(Propane Tab Not
Heater will lockout for 60 minutes
Broken)
before retrying.
Table Q. Heater Status Messages - Demand for Heat
Condition
29