Panasonic MCO-170M Series - Page 93

92
ALARMS, SAFETY, AND SELF-DIAGNOSIS
Alarm o
r
safety
function
Conditions Display Buzzer
Remote
alarm
Safety
operation
Ambient
temperature
sensor error
The ambient temperature sensor is
disconnected.
“Err09: AT Sensor Open” is displayed in
the message display field.
Intermittent
tone
ON
-----
The ambient temperature sensor is
short-circuited.
“Err10: AT Sensor Short” is displayed in
the message display field.
-----
CO
2
sensor
error
The Vref or Vgas output voltage for the
CO
2
sensor is abnormal.
“Err11: CO2 Sensor Vref Abnormal” or
“Err12: CO2 Sensor Gas Abnormal” is
displayed in the message display field.
CO
2
valve is
closed.
O
2
sensor error
The measured voltage
for the O
2
sensor is abnormal.
“Err19: O2
Sensor Abnormal” is
displayed in the message display field.
N
2
/O
2
valve
is closed.
Main heater
error
Main heater burnout occurs or the main
heater SSR is short-circuited.
“Err13: Main Heater Abnormal” is
displayed in the message display field.
-----
Bottom heater
error
Bottom heater burnout occurs or the
bottom heater SSR is short-circuited.
“Err14: Humidity Heater Abnormal”
is displayed in the message display field.
-----
Door heater
error
Door heater burnout occurs or the door
heater SSR is short-circuited.
“Err15: Door Heater Abnormal” is
displayed in the message display field.
-----
Sensor box
heater error*
1
a) High limit temperature alarm is activated.
b) The sensor box heater burnout
occurs or the sensor box heater SSR is
short-circuited.
“Err16: CO2 Box Heater Abnormal” is
displayed in the message display field.
-----
Heater SSR
burnout*
1
a) High limit temperature alarm is activated.
b) Main, bottom, door, or sensor box
heater SSR burnout occurs.
“Err17: Heater SSR Open” is displayed in
the message display field.
-----
UV lamp failure
(MCO-170MUVH/MCO-170MUV, or
when an optional MCO-170UVS is
installed)
The UV lamp burns out.
“Err18: UV Lamp Abnormal” is displayed
in the message display field.
-----
New UV lamp
replacement
(MCO-170MUVH/MCO-170MUV, or
when an optional MCO-170UVS is
installed)
The accumulated ON time reaches
approx. 5,000 h.
“Warning: UV Bulb Life” is displayed in
the message display field.
----- ----- -----
Communication
error
When communication between LCD
touch panel and control substrate is
died out or unstable.
“Err56: Communication Failure” is
displayed in the message display field.
----- ----- -----
Warming-up of
gas control
After power switch is turned ON, under
warming-up before temperature is
stable and gas control is enabled.
“Status: Gas sensor initializing” is
displayed in the message display field.
----- ----- -----
*1: After a while after the high limit temperature alarm is activated, Err16 (Sensor box heater error) and
Err17 (Heater SSR burnout) are activated.