Hach AMTAX sc Manual 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
26
Cause Solution
Instrument interior has
been below 4 °C Close instrument,
(39 °F) for more than check heating
5 minutes
Instrument cannot heat
interior adequately.
Close instrument,
(internal temperature
check heating
< 20 °C (68 °F) for
30 min)
Instrument interior is
too warm (> 47 °C
(117 °F) with electrode
temp. 45 °C (113 °F) Check air filter and
> 52 °C (126 °F) with clean/replace,
electrode temp. 50 °C check fan.
(122 °F) or >57 °C
(135 °F) with electrode
temp. 55 °C (130 °F) )
There is liquid in the Identify cause and
collecting tray rectify
Immediately take
filtration probe sc out
of operation and
contact service. Take
There is liquid in the the filtration probe sc
filtration probe out of the tank and
enclosure 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 the filtration probe sc
is faulty or not out of the tank and
connected store the filter modules
so that they remain
moist. (See operating
instructions for the
filtration probe sc).
The temperature Immediately switch off
sensor for the internal instrument, contact
instrument temperature service, replace main
is faulty circuit board
The temperature
Contact service,
sensor for the cuvette
replace cuvette/sensor
is faulty
Close instrument door
The cuvette is not
and wait 10 minutes if
being heated
error accurs again,
adequately
contact service
Reset error
Reset error manually
TEST/MAINTENANCE
>RESET ERROR
Reset error manually
Manual reset or when
temperature falls 2 °C
(3.6 °F) below limit
Reset error manually
Reset error manually
Reset error manually
Reset error manually
Reset error manually
Reset error manually
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