Section 10-Troubleshooting
10-8 Installation Manual for Oasis
®
SCH33™ Heating System
10.16 8 - Compressor
The air compressor has shorted.
• The burner will shut down.
• The diagnostic code, 8 will be displayed.
• The buzzer will sound for 10 seconds.
• The control board will purge the system with the combustion
fan and circulating pump for two minutes.
• In order to restart the burner, check the air compressor. Then
reset the fault by switching the service switch OFF then ON
again.
• The remote panel switch does not reset a short circuit fault.
10.17 ] - Bypass Mode
The bypass mode is a service feature to be used by authorized
service personnel only. The bypass mode overrides the operating
aquastat, remote switch, voltage fault, fuse blown fault, flame out
fault, open igniter fault, open fan fault, and thermostats. All these
safety devices will be bypassed for five minutes.
• While in the bypass mode, the diagnostic code ] will be
displayed and the Power ON LED will flash rapidly.
• If the heater cycling aquastat is satisfied or the overheat limit
is reached, the burner will stop and purge for two minutes
while displaying the diagnostic codes, heater cycling or I for
overheat, and the Power ON LED will flash slowly. You will have
to wait for the heater to cool down before continuing in bypass
mode. The bypass mode will timeout in five minutes. After the
first three minutes running, it will automatically purge for the
last two minutes.
10.18 Water Pump On (Green)
The green light located directly under the LED digit on the main
board will come on whenever the circulating water pump is
energized.
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