SAMUEL JACKSON HG-1-1501, Service And Operation Manual

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PAGE 13 of 46 HG-1-1501 GAS-FIRED HEATER
© SAMUEL JACKSON, INCORPORATED 2011 ALL RIGHTS RESERVED
ERROR & ALARM EXPLANATIONS
PRELIMINARIES -- As explained in the Heater Operation section, ERRORS will
cause the burner to automatically shut down. ALARMS will permit the burner to
continue operation but warn of conditions which may cause a shutdown if left
unattended. In each case, the DIAGNOSTIC CODE with a brief description of the
ERROR or ALARM will be shown on the display screen DMD located on the Local
Panel LP in the heater cabinet.
ERROR & ALARM Condition Display
3567
The display will continue to show the ALARM or ERROR until the SELECT button is
pressed. Only one ALARM or ERROR condition is displayed at a time. The oldest
unacknowledged ALARM condition is shown even if the burner shuts down due to an
ERROR. Pressing the SELECT button will show consecutive ALARM conditions
leading up to the shutdown ERROR.
EXAMPLE: The flame electrode is fouled. This prevents the burner from having a
flame signal. ALARM code 146 (Flame Not Established) is displayed and the status light
flashes. While this is occurring, the burner is automatically restarting itself (three times
maximum) attempting to light. The burner shuts itself down on ERROR code 144
(Excessive Flame Failures) after 3 unsuccessful tries. The display continues to show
ALARM code 146 although the status light is still flashing and the burner is shut down
due to an ERROR. Press SELECT to clear each ALARM code and then to clear ERROR
code 144. After ERROR code 144 is cleared, the operator can attempt to restart the
burner.
Note: Errors that have an * in front of them can be temporarily bypassed. See the bypass
routine explanation at the end of this section for more details.