Alto-Shaam Vector Series User Manual

Continued from previous page
Is the chamber set
point above the
chamber
temperature?
No
Set the chamber set point above the chamber
temperature. Test and replace the thermocouple
as required.
Yes
Are LEDs 8, 9, 10, 11
on the control board
illuminated?
No
Navigate to the
service screen, read
the blower RPM. Is the
chamber blower
operating?
No
Refer to topic
"Chamber
blower fan does
not operate."
Yes Yes
Replace the
control board.
No
Measure the DC
voltage across the
terminals of
connector P9 on the
control board. Is
the voltage 12VDC?
No
Are the LEDs on the
Solid State Relay(s)
(SSRs) illuminated?
Measure the AC
voltage across the line
side terminals of the
transformer. Does the
voltage correspond to
the voltage printed on
the serial number tag?
No
Repair or
replace the
wires between
the terminal
blocks and the
transformer.
Yes Yes Yes
Repair or replace
the wires
between the
control board
and the SSR.
No
Measure the DC
voltage across the
A1+ and A2
terminals of the
Solid State Relay(s)
(SSRs). Is the
voltage 12VDC?
Measure the AC
voltage across the
heater elements.
Measure the AC
voltage across the
load side terminals of
the transformer. Is
the voltage 12VAC?
No
Replace the
transformer.
Yes
Does the voltage
correspond to the
voltage printed on the
serial number tag?
Yes
Replace the SSR.
Measure the AC
voltage across the J30
and J33 terminals of
the control board. Is
the voltage 12VAC?
No
Repair or
replace the
wires between
the transformer
and the control
board.
Yes
Refer to topic The Chambers do not Heat -
Element Line Voltage
No
Replace the control
board.
Yes
Replace the
heater element.
No
Measure the current draw of the heater elements. Is
the current draw correct?
Yes
The heater is working properly.

Alto-Shaam Vector Series Specifications

General

Brand	Alto-Shaam
Model	Vector Series
Category	Oven
Language	English