Manuals / Toro / Kitchen Appliance / Convection Oven

Toro 1117-080-A1, 1133-080-A, TRUE Occur. If flame is not detected, the ignition control will

Models: 1117-080-A1 1117-080-A 1130-080-A 1131-080-A 1132-08H-A 1116-080-A 1131-080-A1 1116-080-A1 1131-08H-A 1132-080-A 1130-080-A1 TRUE 1132-080-A1 1133-080-A

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occur. If flame is not detected, the ignition control will

 

 

shut off and lock out. To reset the ignition control,

 

 

turn off the power switch for 45 seconds, then turn

 

 

the switch on to re-try ignition. The ignition control

 

 

requires a minimum of 0.8 DC microamps to prove

 

 

flame. To check flame sensing operation, connect a

 

 

digital multimeter (capable of measuring DC

 

 

microamps) between the “ground” terminal on

 

 

ignition control and the ground lead.

 

 

NOTE: This is a current measurement and the meter

 

 

must be connected in series

 

 

If these readings are not achieved, replace hot

 

 

surface igniter.

 

 

NOTE: The DC microamp test must be conducted

 

 

with the oven in low flame (bypass) operation. Set

 

 

the temperature control to the lowest setting.

 

Power supply

If there is sufficient microamp current, but the flame

 

 

will not stay lit, check for proper polarity of the

 

 

120VAC power supply.

 

Ignition control

If there is sufficient microamp current, and the

 

 

120VAC polarity is correct, but the flame will not stay

 

 

lit, replace the ignition control.

 

 

NOTE: Check for proper ground connection on

 

 

ignition control.

 

NOTE: Flame should be on at

 

 

this time

 

 

 

 

Low flame is on,

Control transformer

Check for 120VAC supply to the primary of the

but no main flame

 

control transformer. If no voltage is present, trace

 

 

wiring back to the main power switch. If voltage is

 

 

present, check for 24VAC at the transformer

 

 

secondary. If there is primary voltage, but no

 

 

secondary voltage, replace the control transformer.

 

Oven control

Check for 24VAC supply to control. If no voltage is

 

 

present, trace wiring back to control transformer. If

 

 

24VAC is present, check for a read-out on the

 

 

display. If there is 24VAC supplied, but there is no

 

 

read-out on the control display, replace the oven

 

 

control.

 

 

If there is a read-out on the control, set the control to

 

 

maximum temperature (see installation operations

 

 

manual for temperature adjustment). With the control

 

 

set at maximum temperature, check for 120VAC at

 

 

the temperature regulation valve. If there is voltage at

 

 

the temperature regulation valve, proceed to

 

 

“Temperature regulation valve” for next check. If

 

 

there is no voltage at the temperature regulation

 

 

valve, trace wiring back to the oven control. If there is

 

 

no voltage output at the oven control, check the read-

 

 

out on the control. If the control reads “PROBE

 

 

FAIL”, this indicates that the thermocouple has failed

 

 

or become disconnected from the oven control.

 

Thermocouple

Check to be sure that the thermocouple is securely

 

 

connected to the oven control. If the thermocouple is

 

 

connected to the oven control, and the control

 

 

indicates “PROBE FAIL”, disconnect the

 

 

thermocouple from the oven control and measure the

 

 

resistance of the thermocouple. The thermocouple

 

 

should read approx. 11Ω. If these readings are not

 

 

achieved, replace the thermocouple. If these

 

 

readings are correct, proceed.

Impinger II – Advantage Digital Express Service Manual - Domestic

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Toro 1117-080-A1, 1133-080-A, 1132-080-A1, TRUE, 1130-080-A1 Occur. If flame is not detected, the ignition control will
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1117-080-A1, 1117-080-A, 1130-080-A, 1131-080-A, 1132-08H-A specifications

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