Hach TU5400 sc, Basic User Manual

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