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10-8
·
If the conditions that caused the flame fault have been
addressed and the heater does not ignite, the thermal cutoff
may have been activated by an overheat condition within the
burner box. Using a multimeter, check for continuity across the
leads of the thermal cutoff. The thermal cutoff is located inside
the burner box, and is mounted on the left side of the box . If
there is no continuity, the heater MUST be inspected and the
reason for the overheat condition determined and corrected
before further use. A replacement thermal cutoff must be
obtained from your dealer.
10.16
- Compressor
8
The air compressor has shorted.
·
The burner will shut down.
·
The diagnostic code,
·
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
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.
Installation Manual for Oasis® Zephyr™ HW Heating System
Section 10-Troubleshooting
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