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5.4 Microwave Error Messages
SELF TEST
Mag 1(2) CURRENT
LOW
Mag 1(2) RF FLUC
LOW
Mag 1(2) THERMO
SW
TurboChef, Inc.
WHILE COOKING
CAUSE
Mag
CURRENT
Did not detect current to
LOW
the
former 1(2).
Mag
RF FLUC
If magnetrons are ON at
LOW
least 15 sec. During cook,
RF power has failed to
fluctuate 20 in 10 sec.
Note: Stirrer motor
operates only when
magnetron 1(2) are
ON.
Remove
magnetron
fuses
when
inspecting
stirrer
motor
operation.
Mag
THERMO
Detected MAG1 or MAG2
SW
thermal switch, (KLXM1,
KLXM2) open. Implying
the
temperature
212°F (100°C).
700-0655.DOC Rev B February 15, 1997
CORRECTIVE ACTION
1. Check magnetron fuses. (See
magnetron
trans-
2. Check
3. Check Magnetron, magnetron
Note: If a magnetron is found to
be defective, the failure may be
due
waveguide cavity which causes
the magnetron to overheat due to
high reflected power. If moisture is
found in the waveguide cavity, the
cavity
resealed. (Refer to Field Service
Bulletins 10011.doc & 10019.doc).
See 5.11, Page 41 for additional
information.
1. Check RF power detection
2. Check RF sensor. (See 5.11,
3. Check operation of the stirrer
4. Check attachment of stirrer
5. Check for loose wires.
6. Change I/O CCA. (See 8.1,
7. Check for failed waveguide
1. Check MAG1, MAG2 over
2. Check for loose wiring in the
magnetron
case
is
above
3. Check Air Filter to see if is
4. Check proper operation of
8.1, Page 45). If fuse(s) are
blown, check monitor relay
and interlock switch operation.
Mag
1(2)
operation.)
transformer,
capacitor,
diode. (See 5.5-5.8, Pages
37-39.)
to
the
moisture
in
must
be
cleaned
cable. (See 5.3, Page 35, Item
21.)
Pages 41,42.)
motor Check for any loose
wires in the circuit.
blade.
Page 45.)
seal.
temperature switch.
circuit.
stopped up or dirty.
magnetron blower (Note: Mag.
fan
operates
only
magnetrons are on.)
Page 36 of 62
relay
and
the
and
when
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