4 part replacement, 1 removing the top cover – Bacharach H25-IR User Manual

Page 52

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Parts &Service

H25-IR

46

Instruction 3015-4342

16. Turn ON the instrument. The following message should appear:





NOTE:

Flashing memory with the same firmware version will not cause the instrument to reset.

After flashing memory, the instrument will perform a complete system reset, causing all system
parameters and sensor calibration data to be erased!
Complete the flashing process by setting all the
parameters contained in the Factory menu (refer to Section 5.2 Factory Menu).

5.4 Part Replacement

WARNING! Shock Hazard. Before performing any service work, remove the AC
power cord or battery to prevent electrical shock.


Part replacement is limited to replacing filters, O-rings, and fuses. It is recommended that all other parts be
replaced by an authorized Bacharach Service Center (refer to Section 5.6 Service Centers).

5.4.1 Removing the Top Cover

When servicing the parts inside the instrument, the instrument’s top cover is removed as follows:

Items Required:

 Medium Phillips head screwdriver


Procedure:

1. Remove both the front and rear bezels by first disengaging the plastic tabs on the right and left sides of

the bezel, and then pulling the bezel straight out.

2. Remove the two top screws that secure the front panel.

3. Remove the four screws that secure the rear panel.

4. Remove the Relay, RS-485, and 4–20mA connectors from the rear panel. DO NOT remove any

connector on the interior side of the rear panel.

FULL SYSTEM RESET!
SELECT MODEL FROM
FACTORY MENU AND
REINIT ALL DATA/CALS

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