Raypak 408 Installation And Operation Manual page 25

Figure 34. Alternating Display During Heating
Figure 35. Thermostat Program Button (SW1)
8.3.1. Service Menu and Fault History
To access the Service Menu and fault history, press the
MENU/SET and UP buttons simultaneously for 3 to 5
seconds. The heater will continue to operate while in the
Service Menu. The first screen displayed is the Flame
Strength indicator, which indicates the pilot flame current
using a bar graph and numerical display. A signal of less
than 4 bars indicates a weak flame signal and may require
service. Refer to the Troubleshooting section for possible
causes and corrections.
Figure 36. Flame Strength Indicator
Press the DOWN button. The Supply Voltage screen
indicates the voltage supplied to the control board. Normal
readings range from 24 to 29 volts.
Figure 37. Supply Voltage Indicator
Press the DOWN button. The Run Time indicates the total
hours of operation for the pool heater, as measured by the
amount of time that the main gas valve has been powered.
The Cycle count indicates the number of on/off cycles of
the heater, as measured by the number of times the pilot
valve has been powered.
Program Mode Button (SW1)
Figure 38. Run Time Indicator
Press the DOWN button. The Fault History displays up to
ten faults in memory. The order of the faults begins with
"Fault Last," which is the most recent fault, and proceeds
through ten most recent messages in chronological order.
The second line of the display shows the fault message.
If there are no faults in the history buffer, the second line
reads "All Faults Clear."
Figure 39. Fault History Indicator
8.3.2. Program Button
1. Remove the two screws holding the control cover,
and swing the panel down so the back side of the
board is visible. Locate the Program Mode button
(SW1) as shown in Figure 35. Press and hold the
button for 5-7 seconds until Set Factory Defaults
appears on the display. Release the program button.
2. Press the MENU/SET button sequentially until
the desired program event is reached. There are
5 different events that can be programmed. They
appear in the sequence listed in Figure 40:
Resets board to factory default
settings.
Resets faults in the History File.
Figure 40. Programmable Events
Change from Fahrenheit to
Celsius.
SPA setpoint maximum
adjustment.
POOL setpoint maximum
adjustment.
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