Metrohm 845 Eluent Synthesizer - Manual (Page 55)

4.3 Troubleshooting
845 Eluent Synthesizer / Instructions for Use 8.845. 8001EN
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4.3 Troubleshooting
Problem Cause Remedy
Liquids escaping from
drainage tubing or
from bottom of rear
panel. • Leaking connections
• Leak in instrument
1. Stop the current process
2. Remove rear panel 19 and
check the connections and dos-
ing units (see Section 4.2)
Components are not
aspirated. • Leaking or blocked con-
nections
• Dosing units/Dosinos
defect
1. Stop the current process
2. Check the connections outside
the instrument
3. Remove rear panel 19 and
check the connections and Dos-
inos/Dosing units (see Section
4.2)
LED "Power" (1) does
not light up when in-
strument is connected.
• Mains cable defect
• Internal power supply
defect
• Replace the mains cable
• Contact Metrohm Service
Instrument not recog-
nized at software start-
up (LED "Power" (1)
lights up)
• Instrument not con-
nected to USB
• USB cable defect
• Connect instrument to USB of
the PC (see Section 2.3)
• Replace USB cable