11
Service Manual for Proofer Oven with Touch Screen Controls (TSC)
CAUTION: DO NOT power on the unit while the
Control Panel is in the open position.
5. To troubleshoot for problems, use visual checks,
an Ohmmeter, the proper Schematic for the version
of the unit being serviced.
Control
Access Panel
Transformers
Touch Pad
Controller
Oven
Blower
Relay
Oven
Element
Contactor
Figure 7: Electrical Compartment Components
CAUTION: When closing the Control Panel, make
sure that wires do not become pinched
between the Control Panel and the
cabinet surfaces.
6. Reverse steps 2 through 4 to secure the Control
Access Panel.
AC Power Access Panel
WARNING
BEFORE PERFORMING ANY SERVICE THAT
INVOLVES ELECTRICAL CONNECTION
OR DISCONNECTION AND/OR EXPOSURE
TO ELECTRICAL COMPONENTS, ALWAYS
FOLLOW THE ELECTRICAL LOCKOUT/
TAGOUT PROCEDURE. DISCONNECT ALL
CIRCUITS. FAILURE TO COMPLY CAN
CAUSE PROPERTY DAMAGE, INJURY OR
DEATH.
The AC Power Access Panel is located at the rear of
the unit. It may be necessary to move the unit to gain
access to this area. This unit makes use of a restraining
device to protect the power cable and water supply line.
L1
L2
L3
N
Figure 8: AC Access and Connect Block
with Cover Removed
1. Place the unit’s Power ON/OFF Switch in its OFF
position, and follow the proper Lockout/Tagout
procedures.
2. Remove the three screws securing the panel to the
unit to gain access to the AC Power Connect Block.
AC INPUT VOLTAGE WIRING CONNECTIONS
WARNING
BEFORE PERFORMING ANY SERVICE THAT
INVOLVES ELECTRICAL CONNECTION
OR DISCONNECTION AND/OR EXPOSURE
TO ELECTRICAL COMPONENTS, ALWAYS
FOLLOW THE ELECTRICAL LOCKOUT/
TAGOUT PROCEDURE. DISCONNECT ALL
CIRCUITS. FAILURE TO COMPLY CAN
CAUSE PROPERTY DAMAGE, INJURY OR
DEATH.
