Maintenance; Clean The Instrument; Troubleshooting; Error Codes - Hach 2100N IS Manual Básico Del Usuario

Maintenance

D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.

Clean the instrument

Keep the instrument clean to get continuous and accurate operation.
N O T I C E
Never use cleaning agents such as turpentine, acetone or similar products to
clean the instrument including the keypad.
1. Turn the instrument off and disconnect the power cord.
2. Clean the surface of the instrument with a soft, moist cloth and a
weak soap solution.
3. Dry the surface of the instrument with a lint-free cloth.
Replace the LED light source
The light source, light emitting diode (LED), is not user replaceable.
Contact Customer Service for LED replacement.
Replace a fuse
D A N G E R
Fire hazard. Use the same type and current rating to replace fuses.
Replacement parts:
• Fuse for 115 V operation, time-delay, 250 V, 1.6 A (3030700), or
• Fuse for 230 V operation, time-delay, 250 V, 1.6 A (3030600)
To replace a fuse, refer to the illustrated steps in
14 English
Figure 6 Replace a fuse

Troubleshooting

Refer to the tables in this section for error codes, diagnostic codes,
common problem messages or symptoms, possible causes and
corrective actions.

Error codes

Table 3
identify instrument malfunction or operator error.
The instrument continues operation in an error condition.
Push ENTER to clear an error code from the display.
Figure 6.
lists the error codes shown for different conditions. Error codes