Sharp Carousel R-1506 Manual de servicio - Página 18
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R-1500
R-1501
R-1505
R-1506
PROCEDURE
LETTER
plate of the oven cavity with the door opened (in this condition the plunger of the monitor switch is
pushed in), the meter should indicate an open circuit. If improper operation is indicated, the switch
may be defective. After testing the monitor switch, reconnect the wire lead to the monitor switch
(COM) terminal and check the continuity of the monitor circuit.
5. Reconnect all leads removed from
components during testing.
6. Reinstall the outer case (cabinet).
7. Reconnect the power supply cord
after the outer case is installed.
8. Run the oven and check all
functions.
I
BLOWN MONITOR FUSE TEST
1. Disconnect the power supply cord, and then remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. If the monitor fuse is blown when the door is opened, check the secondary interlock relay, primary
interlock switch and monitor switch according to the "TEST PROCEDURE" for those switches before
replacing the blown monitor fuse.
CAUTION: BEFORE REPLACING A BLOWN MONITOR FUSE, TEST THE SECONDARY INTER-
If the monitor fuse is blown by improper switch operation, the monitor fuse and monitor switch must
be replaced with "monitor fuse and monitor switch assembly" part number FFS-BA016/KiT, even if
the monitor switch operates normally. The monitor fuse and monitor switch assembly is comprised
of a 20 ampere fuse and switch.
5. Reconnect all leads removed from components during testing.
6. Re-install the outer case (cabinet).
7. Reconnect the power supply cord after the outer case is installed.
8. Run the oven and check all functions.
J
HOOD THERMAL CUT-OUT TEST
1. Disconnect the power supply cord, and then remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. A continuity check across the thermal cut-out terminals should indicate an open circuit unless the
temperature of the thermal cut-out reaches approximately 140˚F(60˚C) or more. At that temperature,
the contacts will close. The thermal cut-out opens automatically at approximately 113˚F(45˚C).
5. Reconnect all leads removed from components during testing.
6. Reinstall the outer case (cabinet).
7. Reconnect the power supply cord after the outer case is installed.
8. Run the oven and check all functions.
K
HOOD FAN MOTOR TEST
1. Disconnect the power supply cord, and then remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. If the motor does not turn, touch the FAN HI / LO button once (set hood fan motor power "HIGH") and
check voltage between pins "1" and "2" (Blue and Black wires) of the 6 pin connector. If 120 Volts
appear and the hood capacitor is good, replace the hood fan assembly. If 120 Volts does not appear,
check the motor circuit. The resistance values of motor terminals are as follows:
TEST PROCEDURES
LOCK RELAY, PRIMARY INTERLOCK SWITCH, DOOR SENSING SWITCH AND MONI-
TOR SWITCH FOR PROPER OPERATION.
COMPONENT TEST
Red
White/ White
Screw Driver
Primary
Interlock Switch
16
Ohmmeter
Monitor Switch