Replace A Fuse; Error Codes - Hach 2100N Manuel D'utilisation De Base

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
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.
Note: Any calibration being calculated when an error occurs, is discarded. The old
calibration is kept.
Error
ERR01 The turbidity of the
ERR02
lists the error codes shown for different conditions. Error codes
Table 3 Error codes
Description
Start the calibration again with lower turbidity
dilution water is dilution water.
greater than 0.5 NTU. Note: Ignore ERR01 when the sample cell diameter is
less than 25 mm. Push UNITS/Exit to go back to
measurement mode.
• Two calibration 1. Inspect the preparation of standards.
standards have the
2. Do the calibration again.
same value.
Note: Ignore ERR02 when the sample cell diameter is
• The difference
less than 25 mm. Push UNITS/Exit to go back to
between two
measurement mode.
calibration
standards is less
than 60.0 NTU.
• The turbidity of
Standard 1 is too
low (less than
10 NTU).
Solution
English 17