Hach AMTAX sc Mode D'emploi page 26

Troubleshooting
7.2.2 Error messages (continued)
Error displayed Instrument reaction
Instrument goes into
Analyzer is too cold.
the Maintenance mode
The analyzer is not Instrument goes into
heating up. the Maintenance mode
Maintenance mode,
Cooling failed! starts automatically
after cooling down
Humidity in analyzer Maintenance mode
Maintenance mode,
Humidity in sensor the filtration probe sc is
isolated from the mains
Maintenance mode,
Filtration probe is
the filtration probe sc is
missing.
isolated from the mains
Temperature sensor is Maintenance mode,
defective. fan running, heating off
Cuvette sensor is Maintenance mode,
defective. cuvette heating off
Cuvette heating is Continued
defective. measurement
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Cause
Instrument interior has
been below 4 °C
(39 °F) for more than
5 minutes
Instrument cannot heat
interior adequately.
(internal temperature
< 20 °C (68 °F) for
30 min)
Instrument interior is
too warm (> 47 °C
(117 °F) with electrode
temp. 45 °C (113 °F)
> 52 °C (126 °F) with
electrode temp. 50 °C
(122 °F) or >57 °C
(135 °F) with electrode
temp. 55 °C (130 °F) )
There is liquid in the
collecting tray
There is liquid in the
filtration probe
enclosure
The filtration probe sc
is faulty or not
connected
The temperature
sensor for the internal
instrument temperature
is faulty
The temperature
sensor for the cuvette
is faulty
The cuvette is not
being heated
adequately
Solution Reset error
Reset error manually
Close instrument,
TEST/MAINTENANCE
check heating
>RESET ERROR
Close instrument,
Reset error manually
check heating
Check air filter and Manual reset or when
clean/replace, temperature falls 2 °C
check fan. (3.6 °F) below limit
Identify cause and
Reset error manually
rectify
Immediately take
filtration probe sc out
of operation and
contact service. Take
the filtration probe sc
out of the tank and Reset error manually
store the filter modules
so that they remain
moist. (See operating
instructions for the
filtration probe sc).
Immediately take
filtration probe sc out
of operation and
contact service. Take
the filtration probe sc
out of the tank and Reset error manually
store the filter modules
so that they remain
moist. (See operating
instructions for the
filtration probe sc).
Immediately switch off
instrument, contact
Reset error manually
service, replace main
circuit board
Contact service,
Reset error manually
replace cuvette/sensor
Close instrument door
and wait 10 minutes if
Reset error manually
error accurs again,
contact service
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