Alarms And Safety Functions; Operation After Power Failure - Panasonic MIR-H163-PA Service Manual

ALARMS AND SAFETY FUNCTIONS

The incubator supports the following alarms, safety functions, and self-diagnostic functions.
Alarms and safety functions
Alarm &
Safety
Automatic set
The internal temperature is over
temperature
+/-2.5
alarm
Key lock When the key lock switch is
switch turned ON.
Temperature
The temperature sensor is
sensor
disconnected.
abnormality
The triac is disconnected.
Triac
abnormality
The triac is short-circuited.
The relay is short-circuited.
Relay
abnormality
The relay is disconnected or
the heater is short-circuited.
(When the unit is not running)
The safety circuit is activated
by independent temp. sensor
if the chamber is being
Independent
overheated abnormally.
over-heat
(When the unit is running)
protection
The safety circuit is activated
by independent temp. sensor
if the chamber is being
overheated abnormally.
* The buzzer tone resulting from the independent over-heat protection cannot be stopped with the alarm
buzzer stop key (BZ). Turn off the main switch.

Operation after power failure

The set value is memorized by nonvolatile memory. Accordingly, the heated incubator resumes the
operation with setting before power failure.
18
Situation
o
C from the set temp..
Indication
Alarm lamp lights.
All digits on the temp. Intermittent tone
indicator flash.
-----
Alarm lamp lights.
E01 is displayed on Intermittent tone
the temp. indicator.
Alarm lamp lights.
E02 is displayed on Intermittent tone
the temp. indicator.
Alarm lamp lights.
E03 is displayed on Intermittent tone
the temp. indicator.
Alarm lamp lights.
E04 is displayed on Intermittent tone
the temp. indicator.
Alarm lamp lights.
E05 is displayed on Intermittent tone
the temp. indicator.
Without display
Continuous tone
change.
Continuous tone
Alarm lamp lights.
(When the temp.
E05 is displayed on
is decreased,
the temp. indicator.
intermittent tone)
-38-
Buzzer Safety operation
-----
Key input is
-----
disabled.
Heater OFF
Heater OFF
Heater OFF
Heater OFF
Heater OFF
Heater OFF
forcedly by
external circuit.
Heater OFF
forcedly by
external circuit.