Sensor Malfunction; Some Standard Functions Synopsis - Fisher FP-120AE-R Service Manual

Portable type

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6.7 Sensor malfunction

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LED display

Malfunction display:

When the malfunction happened at the same time, the priority is E4> E3> E2> E1>P1

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6.8.1. Timer function

When the unit is on, press the Timer button will initiate the Auto-off stop program, the TIMER OFF

indicator light illuminates. Press the UP or down button to select the desired time. Press the TIMER

button again within 5 seconds, the Auto-on start program is initiated. And the TIMER ON indicator light

illuminates. Press the up or down button to select the desired Auto-on start time. When the unit is off,

press the Timer button to initiate the Auto-on start program, press it again within five seconds will initiate

the Auto-off stop program. Press or hold the UP or DOWN button to change the Auto time by 0.5 hour

increments, up to 10 hours, then at 1 hour increments up to 24 hours. The control will count down

the time remaining until start. The system will automatically revert back to display the previous temper

ature setting if there is no operation in a five seconds period.

6.8.2. Sleep function

Press this button, the selected temperature will increase (cooling) by 1℃/2 ℉30 minutes. The

temperature will then increase (cooling) by another 1℃/2℉ after an additional 30 minutes. This new

temperature will be maintained for 7 hours before it returns to the originally selected temperature. This

ends the Sleep mode and the unit will continue to operate as originally programmed.

Stand for

T2 sensor malfunction

T1 sensor malfunction

Communication malfunction for display board and PCB

T3 sensor malfunction

Water full protection

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