Setting Of Alarm Resume Time - Sanyo MCO-18AIC Service Manual

If the sensor box heater goes open
Sensor box heater
circuit, or the sensor box relay short
abnormality
circuit.
Disconnection of If the relay of main heater, bottom
sensor for each heater or sensor box heater goes open
heater circuit.
Air pump (for
If the air pump (sampling or auto zero)
sample
does not operate, or if there is
air or auto-zero)
something wrong in the gas piping.
failure
Low humidifying
If the water in the pan is about 1 liter.
water
[When MCO-18UVS is installed]
UV lamp failure
When the UV lamp is burned out.
[When MCO-18UVS is installed]
Recommendation of The accumulated ON time is over
new UV lamp about
1,000 hrs.
• The alarm can be canceled by pressing the BUZZER key, but the remote alarm cannot be silenced. And the upper
limit temperature alarm cannot be silenced with the BUZZER key.
• E01 is cleared automatically when the gas is connected correctly and the buzzer is silenced with the BUZZER key.
When MCO-21GC is installed, press BUZZER key to silence the alarm after changeover of gas supply line.
• If one of E05 to E17 (except for E12, E13, and E14) is displayed, consult with a Sanyo sales representative or
agent.

SETTING OF ALARM RESUME TIME

The alarm buzzer is silenced by pressing BUZZER key on the control panel during alarm condition.
The buzzer will be activated again after certain suspension if the alarm condition is continued. The
suspension time can be set by following the procedure shown in the table below.
The example in the table is based on the assumption that the desired duration is 20 minutes.
Note: The duration is set in 30 minutes at the factory.
Table Changing procedure for alarm resume time (Ex: change from 30 minutes to 20 minutes)
Description of operation
1
2 Press CAL key for 5 seconds.
3
Set the figure to F25 with the digit
shift key and numerical value shift
key.
4 Press ENT key.
Set the figure to 020 with the
5
numerical value shift key.
6 Press ENT key.
• The settable alarm resume time are 0, 10, 20, 30, 40, 50, or 60 minutes (The setting is 000, 010, 020,
030, 040, or 060 respectively). The buzzer would not reset if the reset time is set in 000.
• The set mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation. In this case, any setting before pressing ENT key is not memorized.
E15 is displayed
alternately
with the temperature on
the
temperature indicator.
E16 is displayed
alternately
with the temperature on
the
temperature indicator.
E17 is displayed
alternately
with the temperature on
the
temperature indicator.
RH PAN lamp blinks.
E18 is displayed
alternately
with the temperature on
the
temperature indicator.
UV indicator blinks when
UV lamp is OFF.
Key operated
The current chamber temperature is
----
displayed.
CAL The left digit is flashed.
The settable digit is shifted.
When pressed, the figure of settable
digit changes.
The current setting is displayed.
ENT
The middle digit is flashed.
When pressed, the figure of settable
digit changes.
The setting is memorized and
ENT the current chamber temperature is
displayed.
71
Intermittent tone Remote alarm
Intermittent tone Remote alarm
CO valve close.
2
Intermittent tone
Remote alarm
-----
Intermittent tone Remote alarm
-----
Indication after operation
-----
-----
25