MRC 1425, Инструкция по эксплуатации, Страница: 16 / 21

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operating correctly
4/ allow at least two hours to stabilize
5/ verify that reference thermometer is certified
Can't adjust set points or
calibration
1/ turn entire unit off and on to reset
2/ if repeatedly happens, call Customer Service
Calibrated at one temperature, but
not at another
This can be a normal condition when operating temperature
varies widely. For maximum accuracy, calibration should be
done as close to the set point temperature as possible.
MECHANICAL
Glass door not sealing
1/ check physical condition of gasket
2/ assure that gasket clamps are in original location
Outer door not sealing
1/ see if hinges are out of adjustment
2/ Confirm that unit has not been damaged and body is not
out of square.
Oven won’t hold vacuum
1/ check door gasket for alignment and damage, wear or
lack of compliance
2/ assure all vent and feed valves are closed tightly
3/ assure tight connections to pump
OTHER
controller on at all times - "locked-
up"
1/ turn unit off and on to reset
2/ if cannot change any condition on the front panel, call
Customer Service
front panel displays are all off
1/ check connections to the temperature display control
board and assure that all are tight and in the correct
orientation.
2/ Check for wire damage.
unit or wall fuse/circuit breaker is
blown
1/ check wall power source
2/ compare current draw and compare to specs on data
plate
3/ see what other loads are on the wall circuit
unit will not turn on
1/ check wall power source
2/ check fuse/circuit breaker on unit or in wall
3/ see if unit is on, e.g., heater, and just controller is off
4/ check all wiring connections, esp. around the on/off