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5520, 5525, & 5530 WARMING CABINETS
4. Adjustments & Calibrations
DOOR SWITCH REPLACEMENT
4.
1.
To replace the door switch, remove the control
box from the Warming Cabinet as outlined in
Steps
1 thru 9 under
Access
to Control
Box
Components.
y
2.
Remove wires from the door switch.
Press
the
clips
on
each
side
of the
switch,
behind the panel, that secures it and remove
5.
forward from the panel.
RECORDER REPLACEMENT
6.
(Optional Equipment)
1.
Raise
the control
head
and
secure
it in the
raised position.
MOUNTING
SCREW
LOCKWASHER
RECORDER
Separate the printed circuit board from the con-
trol panel as follows:
a.
Remove the knob from the front of the panel.
It is secured with an Allen set screw.
b.
Remove
the
six
screws
that
secure
the
printed
circuit board to the control
panel
and separate them.
Reassemble
the replacement
circuit board
to
the control panel.
Check that the jumpers are connected properly
as shown
on the illustration
of J3 of the PC
board under Trouble Analysis,
"Jumper
Con-
nections on J3 of Printed Circuit Board."
When reassembling the knob to the shatt
at the front of the panel, be sure to leave a
sufficient distance between the knob and
the panel so it can be pressed to give a
nore >
WASHERS
재배
=
reading of the chamber set temperature.
Replace the assembly in the control head and
reconnect
the
electrical
connections
to
the
printed circuit board.
CONTROL
PANEL
SET SCREW
PC BOARD
STANDOFF
BRACKET
PCB BOARD REPLACEMENT
30926
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