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1-17
1.
Gas and/or electrical power supplies
2.
Electronic circuits
3.
Gas valve.
PROBLEMS RELATED TO THE GAS AND/OR ELECTRICAL POWER SUPPLIES
The main indicators of this are that an entire battery of fryers fails to light and/or there are no indicator lights
illuminated on the fryer experiencing heating failure. Verify that the quick disconnect fitting is properly
connected, the fryer is plugged in with connector twisted and locked, the main gas supply valve is open, and the
circuit breaker for the fryer electrical supply is not tripped.
PROBLEMS RELATED TO THE ELECTRONIC CIRCUITS
If gas and electrical power are being supplied to the fryer, the next most likely cause of heating failure is a
problem in the 24 VAC circuit. Verify that the oil level sensor is working properly. Refer to Section 1.11.1,
TROUBLESHOOTING THE 24 VAC CIRCUIT
.
Some typical causes of heating failure in this category include a defective sensing wire in the ignitor assembly,
a defective module, a defective ignition wire, and a defective ignitor.
Occasionally, a heating failure situation occurs in which all components appear to be serviceable and the
microamp reading is within specification, but the unit nevertheless goes into heating failure during operation.
The probable cause in this case is an intermittent failure of an ignition module. When the unit is opened up for
troubleshooting, the module cools down enough to operate correctly; however, when the unit is again closed up
and placed back into service the module heats up and fails
.
PROBLEMS RELATED TO THE GAS VALVE
If the problem is not in the 24 VAC circuit, it is most likely in the gas valve, itself. Before replacing the gas
valve, refer to Section 1.11.2
TROUBLESHOOTING THE GAS VALVE
.
1.10.2 Improper Burner Function
With problems in this category, the burner ignites but exhibits abnormal characteristics such as “popping,” dark
spots on the burner ceramics, fluctuating flame intensity, and flames shooting out of the flue.
“
Popping
” indicates delayed ignition. In this condition, the main gas valve is opening but the burner is not
immediately lighting. When ignition does take place, the excess gas “explodes” into flame, rather than
smoothly igniting.
The primary causes of popping are:
Incorrect or fluctuating gas pressure
Defective or incorrectly adjusted
combustion air blower
Inadequate make-up air
Heat-damaged controller or ignition
module
Cracked ignitor or broken ignition wire
Defective ignition module
Cracked burner tile (typically causes a very
loud pop).
If popping occurs only during peak operating hours, the problem may be incorrect or fluctuating gas pressure.
Verify that the incoming gas pressure (pressure to the gas valve) is in accordance with the appropriate CE or Non-CE
Standard found in Section 2.3 page 2-4 of the FilterQuick™ FQG30 Series Gas Fryer Installation and Operation
Manual (PN 819-7052), and that the pressure remains constant throughout all hours of usage. Refer to Section 1.7,
Checking the Burner Manifold Gas Pressure
in this manual for the procedure for checking the pressure of gas
supplied to the burner.
Содержание FilterQuick FQG30
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Страница 41: ...1 36 1 16 2 Bulk Wiring ...
Страница 56: ...1 51 1 18 6 Clogged Drain Failed Oil Sensor Error Flowchart ...
Страница 57: ...1 52 1 18 7 Menu Trees 1 18 7 1 FilterQuick Controller Setup Menu Tree ...
Страница 58: ...1 53 1 18 7 2 FilterQuick Filter and Info Mode Menu Tree ...
Страница 62: ...1 57 1 20 Principal Wiring Connections ...
Страница 63: ...1 58 1 21 Wiring Diagrams 1 21 1 Main FQG 230 430 120V CE Export ...
Страница 64: ...1 59 1 21 2 Main FQG 230 430 Australia ...
Страница 65: ...1 60 1 21 3 Main FQG 230 430 120V CE Export with Solid Shortening ...
Страница 66: ...1 61 1 21 4 Main FQG 230 430 Australia with Solid Shortening ...
Страница 67: ...1 62 1 21 5 Main FQG 330 530 120V CE Export ...
Страница 68: ...1 63 1 21 6 Main FQG 330 530 Australia ...
Страница 69: ...1 64 1 21 7 Main FQG 330 530 120V CE Export with Solid Shortening ...
Страница 70: ...1 65 1 21 8 Main FQG 330 530 Australia with Solid Shortening ...
Страница 71: ...1 66 1 21 9 Transformer Filter Box 430 530 ...
Страница 72: ...1 67 1 22 Simplified Wiring Diagrams 1 22 1 FilterQuick FQG30 Series Simplified Wiring with Push Pull Handles ...
Страница 73: ...1 68 1 22 2 FilterQuick FQG30 Series Simplified Wiring with Push Buttons ...
Страница 74: ...1 69 1 22 3 FilterQuick FQG30 Series Data Network Flowchart ...
Страница 76: ...1 71 1 24 Shortening Melting Unit Wiring Diagram ...
Страница 77: ...1 72 1 25 Modular Basket Lift Wiring Diagram 100 120V ...
Страница 78: ...1 73 1 26 Modular Basket Lift Wiring Diagram 208 250V ...
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