Alto-Shaam Converge CMC-H2H, Service Manual

Page: 72 / 140

T
ROUBLESHOOTING
Converge®
▪
Service Manual
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M N-47241
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Rev 1
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6/22
72
E-31 Electronics over
temperature
Interface board temperature exceeds
184°F (84°C).
1. Power down the control using the ON/OFF
button.
2. Cycle power to the oven either by
unplugging the oven or setting the main
disconnect switch OFF and ON.
3. Continue operation of the oven. If the error
reoccurs, contact Technical Service.
E-31 Electronics over
temperature
Chamber temperature sensor > 600°F
(316°C) for Combi or Convection or
chamber temperature sensor > 395°F
(202°C) for Steam or Cleaning.
1. If the oven has experienced an over
temperature condition, allow the oven to cool
down for a minimum of 30 minutes.
2. Press the high limit reset buttons.
3. Continue operation of the oven. If the error
reoccurs, contact Technical Service.
E-31 Electronics over
temperature
B3 sensor is higher than 212°F (100°C)
for more than 180 seconds.
1. Make sure the water supply line(s) is
connected to the oven and that the shut off
valve for the water connections is in the open
position.
2. If connected to water filter(s), make sure the
filters are not in need of replacement.
3. Power down the control using the ON/OFF
button.
4. Cycle power to the oven either by
unplugging the oven or setting the main
disconnect switch OFF and ON.
5. Continue operation of the oven. If the error
reoccurs, contact Technical Service.
E-50 Control board
temperature error
Temperature measurement failure on
the control board.
1. Make sure the cooling fan(s) are operating.
2. Make sure the exhaust vents are clean and
free of debris.
3. Make sure the oven clearances are met.
4. Ambient temperature greater than 105°F
(41°C).
5. Check the door gasket for damage and
proper seal.
E-55 Vent not open 60 seconds after the chamber venting
motor is activated, the chamber vent
valve did not open.
1. Power down the control using the ON/OFF
button.
2. Cycle power to the oven either by
unplugging the oven or setting the main
disconnect switch OFF and ON.
3. Continue operation of the oven. If the error
reoccurs, contact Technical Service.
E-78 Voltage monitor
output is too low
Incoming line voltage is too low (<190V)
or voltage monitor output is shorted.
1. Make sure the oven plug is fully seated in
electrical outlet.
2. Reset the main circuit breaker for the oven.
If error reoccurs, contact Technical Service.
E-79 Over voltage Incoming line voltage is too high (>250V)
or voltage monitor output is open.
1. Make sure the oven plug is fully seated in
electrical outlet.
2. Reset the main circuit breaker for the oven.
If error reoccurs, contact Technical Service.
Code Description Parameters that trigger the error Possible Cause(s)