Middleby Marshall PS528 (Double), Owner'S Operating & Installation Manual

Page: 25 / 60

SECTION 3
OPERATION
21
Display
Shows the Set Point
or the Actual Tem-
perature in degrees
Fahrenheit (F) or
Celsius (C).
"SP LOCK"
Light
Lights when the set
point is locked out
from changes. This
setting can only be
changed by service
personnel.
OVERTEMP
Light
Lights when the oven
temperature is greater
than 650°F (343°C).
Refer to Quick Refer-
ence: Troubleshoot-
ing in this section.
Temperature Key
Press this key once
to view the Actual
Temperature in the
Display.
Unlock Key
Press this key togeth-
er with the Set Point
Key to allow the Set
Point to be changed.
Changes can only be
made for 60 seconds.
Up Arrow and Down
Arrow Keys
Press these keys to adjust
the Set Point up or down.
If the Set Point will not
change, refer to Set Point
Key and Unlock Key in this
section.
Set Point Key
Press this key togeth-
er with the Unlock Key
to allow the Set Point
to be changed.
Changes can only be
made for 60 seconds.
Service Key
Service use
only.
"ACTUAL TEMP"
Light
Lights when the Actual
Temperature is shown
in the display.
"SET PT" (set-
point) Light
Lights when the set
point is shown in
the display.
"HEAT ON" Light
Lights when the
burner is in
operation.