Sanyo MIR-162 Service Manual page 15

4. Alarms and safety function
Automatic set
temperature alarm:
Auto return:
Key lock:
Memory back up:
5. Error code
E01:
E02:
E03:
E04:
E05:
6. Function mode
How to access function
mode:
If a chamber temperature deviates from set temperature +/-2.5 , all
the digits will flash and audible alarm will sounds intermittently after
3seconds of delay.
If a chamber temperature becomes set temperature +/-2.5
alarm occurs, alarm operation will terminate.
If there is no key operation for approx. 45seconds in setting mode,
current chamber temperature will appear on the display.
If Key lock switch is ON position, it is prevent the set condition from
changing through control panel.
A unit will restart operation after a power returns from a power failure
and delay timer is active.
If a unit operates by timer mode C, it will maintain this mode after a
power returns from a power failure.
If a thermister sensor is open circuited (0.9484k ) or short circuited
(27.28k ), E01 will flash and ALARM lamp will illuminate, audible
alarm will sound, and relay and heater will be inactive.
If a triac is open circuited, "E02" will flash and ALARM lamp will
illuminate, audible alarm will sound, and relay and heater will be
inactive.
If a triac is short circuited, "E03" will flash and ALARM lamp will
illuminate, audible alarm will sound, and relay and heater will be
inactive.
If a power relay is short circuited, "E04" will flash and ALARM lamp
will illuminate, audible alarm will sound, and relay and heater will be
inactive.
If a power relay is open circuited or one of heaters is short circuited
or temperature around PCB becomes approx. 65
relay and heater will be inactive.
In chamber temperature display, press numerical value shift key for
5seconds to display function code "F00".
Step to F06 and input service code "384" to utilize F07 to F22.
If there are no key operation in function mode, chamber temperature
display will appear (Auto return).
function mode will not be active during operation.
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during
or higher,