Hach TU5400 sc Basic User Manual page 30

Warning
NOT DRYING The instrument cannot regulate the
internal humidity.
PUMP The air pump for the drying circuit
has a malfunction.
SENS.DRY: FUNC The air system of the drying system
has a malfunction.
TURB TOO HIGH The turbidity reading is not within
the calibration range.
WIPER REPLACE A wiper replacement is due in the
automatic cleaning module.
VIAL CLARITY The vial or vial compartment is dirty.
10.3 Errors
Errors show on the controller display. To see all of the active errors, push menu then select
DIAGNOSTICS>TU5x00 sc>ERROR LIST.
Error
AUTOCHK. NO FUNC The automatic system check does not
CLEANING MODULE
EE RSRVD ERR
FLASH FAIL
HUMIDITY PCB
LASER TOO LOW
MEAS ELECTRONIC
PROC HEAD OPEN
TURB TOO HIGH
VIAL PRESENT
VIAL CLARITY
9
WATER INGRESS
9
Water drops, puddles or runlets that will not damage the instrument may be in the inner of the
enclosure.
30 English
Description
Description
complete.
The automatic cleaning module has a
malfunction.
There is a problem with the internal memory.
The internal calibration memory is corrupted.
There is humidity or water in the instrument.
The laser has a malfunction.
There is a measurement error. There is a
problem in the electronics unit.
The process head is in the open position or
the process head detector has a malfunction.
The turbidity reading is higher than the
measurement range of the instrument
(700 FNU maximum).
There is no vial in the vial compartment.
The vial or vial compartment is dirty.
There is water in the instrument.
Solution
Replace the desiccant cartridge. Refer to
the desiccant cartridge on page 28.
If the error continues, contact technical support.
Measurements with limited validity are still available.
Contact technical support. Measurements with
limited validity are still available.
Contact technical support. Measurements are still
available, but the life of the desiccant cartridge is
decreases.
Make sure that the calibration range selected is
applicable to the turbidity value of the sample.
Replace the wiper in the automatic cleaning module.
Refer to the documentation supplied with the
automatic cleaning module to replace the wiper.
Clean or dry the vial and the vial compartment.
Contact technical support.
Contact technical support.
Contact technical support.
Contact technical support.
Contact technical support.
Contact technical support.
Contact technical support.
Turn the process head to the closed
position.
Make sure that the turbidity value of the
sample is within the measurement range
of the instrument.
Install a vial in the vial compartment.
Clean or dry the vial and the vial
compartment.
Immediately stop flow to the instrument.
Disconnect the sensor cable.
The desiccant cartridge can become hot.
Only touch and remove the desiccant
cartridge when it is at room temperature.
Replace
Solution