SIGRIST AquaMaster, Инструкция по эксплуатации, Страница: 110 / 122

Instruction Manual AquaMaster Troubleshooting
110 12745E/4
The following error messages can be displayed:
ERROR MESSAGE DESCRIPTION POSSIBLE CAUSES
V ANALOG One of the internal analogue
voltages is outside the permit-
ted range.

Defect in the electronic system.

Service technician
MEASUR.FAULT Measurement value acquisi-
tion is faulty.

Air bubbles in the water.

External light in the vicinity of
the measuring station (e.g.
transparent hoses).

Defect in the electronic system.

Service technician
AN.MEAS.FAULT The measurement value ac-
quisition of the analogue
channels is disturbed.

Defect in the electronic system.

Service technician
LIGHT SOURCE 1 The detector for monitoring
the LED receives no light.

Defective light source.

Service technician
ANALOG IN 1/2 The input signal on analog in-
put 1/2 is less than the error
limit.

There is no input signal.
POWER LINK Actuation of the extended in-
puts/outputs via the Powerlink
is disturbed.

Interrupted connection to the
extended inputs/outputs.
MEASUR.FAULT Serious measuring fault on a
Hamilton sensor.

Sensor measurement defective.

Temperature measurement de-
fective.

Resistances or electric poten-
tials outside the permitted
range.
CALIBRATION Serious fault calibrating a
Hamilton sensor.

Oxygen sensor: cap missing.

pH, Redox/ORP sensor: sensor
defective (quality <15%).

Conductivity sensor: sensor de-
fective (quality <15%) or out-
side medium.
INTERFACE Connection problem with
Hamilton sensor.

Oxygen sensor: current output
fault.
HARDWARE Serious fault in the hardware
of a Hamilton sensor.

Input voltage far outside the
permitted range.

Temperature measurement far
outside the permitted range.

Oxygen sensor: red channel
failure.

Internal communication fault.
Table 5: Possible fault messages