Sanyo MCO-18AIC Service Manual page 14

3. CO control
2
Setting range
Display range
Setting method
Out of the range:
Control
Control OFF
Alarm
4. Overheat protection temperature check mode
Setting range
Setting method
5. Alarm, safety mode and self diagnosis
In sensors malfunctions and CO
alternately.
Note) The remote alarm is controlled in every a minute exceptionally in Auto Zero.
That's why the remote alarm control is delayed 4minutes (max) after an error is
displayed.
<Error code>
E01: CO
E05: Temp. sensor is open circuit
E06: Temp. sensor is short circuit
E07: CO
E08: CO
E09: Ambient temperature sensor is open circuit
E10: Ambient temperature sensor is short circuit
E11: CO
E12: Main heater is abnormal
E13: Bottom heater is abnormal
E14: Door heater is abnormal
E15: CO
E16: SSR for each heater is open circuit
E17: Sample pump and/or Auto zero pump malfunction
E18: UV lamp malfunction (a lamp blown out, a glow lamp unfitted, etc)
The description of error codes are follow:
E01 : CO
2
When the CO
opened, "E01" and "Internal temperature " are displayed alternately, and buzzer
sounds intermittently.
The definite action that CO
approximately 2minutes to display an error after the cylinder would be emptied.
: 0%~20%
: 0%~99.9%
: Press SET key twice.
Change to the desired value with
key to store the value. Then the device shifts to the Overheat protection
temperature check mode.
When a value is set out of the range and ENT key is pressed, buzzer
sounds 1 second (continuously) and the previous value is still remained.
: PID Control
: When a value is set in 0.0%, CO
Control OFF.
:
When the internal CO
blinks. After the 15mininutes later, buzzer sounds and remote alarm
terminal turns ON.
:
35 C~51 C
: Press SET key for three times to display the overheat protection
temperature on PV display and "HI" on CO
Press SET key again to return to PV display.
control malfunctions, an error code and PV is displayed
2
cylinder is empty
2
box temp. sensor is open circuit
2
box temp. sensor is short circuit
2
sensor output voltage is abnormal
2
sensor box heater is abnormal
2
cylinder is empty
level is not 0.2% or more in a minute even though the valve is
2
key and
display will be disappeared to be the
2
level deviates SV 1% or higher, CO
2
cylinder is empty, repeats twice, therefore it takes
2
11
key, then press ENT
2
display.
2
display