Heater Operation Test Mode; Sensor Inspection Mode - Panasonic SD-ZB2502BXC Service Manual

5.3.4.

Heater operation test mode

Operation procedure
1. Press the "Timer up" key.
Phenomena
• LCD indication: It light up like the next figure.
• Behaviour of device: The device supplies electric power to
the heater after 1 second and the power is off when the sen-
sor temperature reaches 165 deg.C.
• Restoration: Pressing "Stop" key, the device returns to the
main body initial test mode.
5.3.5.

Sensor inspection mode

Operation procedure
1. Press the "Size" key.
Phenomena
• LCD indication: It light up like the next figure.
• Behaviour of device: The device supplies electric power to
the heater for 3 seconds at an interval of 32 seconds and
Judgement/Remedy
• Replace the sensor and/or P.C.Board B if the power is not off
when the sensor temperature reaches 165 deg.C.
• Replace the heater and/or P.C.Board B if the heater does
not work normally.
• Replace P.C.Board A if the device does not work normally
after trying the above remedy.
controls the sensor temperature at approx. 35 deg.C.
• Restoration: Pressing "Stop" key, the device returns to the
main body initial test mode.
Judgement
• The P.C.Boards and heater work properly when the temper-
ature inside the unit is controlled at approx. 35 deg.C.
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