Vulcan-Hart K80GLT Hot Beverage Maker User Manual


 
K Series Gas Kettles (Stationary & Tilting)
SYMPTOM POSSIBLE CAUSE
Kettle not heating (burner not lighting
during trial for ignition or staying lit), heat
light is lit, ignition fail light is ON, power
light is lit, blower is ON (high speed is
default for blower if speed control
malfunctions).
NOTE: If heat light is not lit but the
blower is running, the light or wiring to
the light may be malfunctioning.
1. Gas supply not on.
2. Tilting models only - Gas shut-off valve (1SOL) not receiving power
or malfunction.
3. Ignition module not receiving power.
4. Unit not properly grounded and/or polarity of incoming power is
incorrect on automatic ignition systems.
5. Low gas supply pressure.
6. Spark ignitor.
A. Spark probe dirty or corroded (poor spark).
B. Burner flame sense current too low - dirty or corroded probe; or
flame sense wire connection corroded.
7. Ignition module malfunction (no sparking at ignitor).
8. Blower speed control - switches not set properly or control
malfunction (no output voltage to blower: J6-1 (24VDC); J6-2 (COM);
J6-4 (PWM - pulse width modulation speed signal, not measurable
with VOM).
9. Blower intake clogged or blower malfunction.
10. Gas valve not adjusted properly or malfunction.
POWER TILTING OPTION ONLY
POWER TILTING OPTION ONLY
SYMPTOM POSSIBLE CAUSES
Kettle will not raise.
1. Tilt switch (2S) open or malfunction.
2. Transformer 2T inoperative.
3. Power switch off or malfunction.
4. Tilt control switch malfunction (momentary on - raise).
5. Raise-enable relay (K3) malfunction.
6. K1 up relay malfunction.
7. DC motor controller - Fuses open or controller malfunction.
8. DC tilt motor inoperative.
9. Gear reducer malfunction.
K Series Gas Kettles 2/3 Jacketed Stationary and Tilting - TROUBLESHOOTING
Page 43 of 44 F45461 Rev. A (0713)