Servicing
Accessing the Service Mode
Thermo Fisher Scientific
Model 146
i
Instruction Manual
7-11
2. Remove fuse drawer, located on the AC power connector.
3. If either fuse is blown, replace both fuses.
4. Insert fuse drawer and reconnect power cord.
Accessing the
Service Mode
If the Service is not displayed on the Main Menu, use the following
procedure to display it.
1. At the Main Menu, press
to scroll to Instrument Controls > press
>
to scroll to
Service Mode
> and press
.
The Service Mode screen appears.
2. Press
to toggle the Service Mode to ON.
3. Press
>
to return to the Main Menu.
4. Return to the procedure.
Leak Test and Pump
Checkout - with
Photometer Option
Use the following procedure to check for leaks in the system and to leak test
the pump. This procedure is for Model 146
i
instruments that have the
photometer option. For Model 146
i
instruments that do not have the
photometer option, refer to “Leak Test and Pump Checkout - without
Photometer Option.”
WARNING
The service procedures in this manual are restricted to qualified
service representatives.
If the equipment is operated in a manner not specified by the manufacturer,
the protection provided by the equipment may be impaired.
Equipment Damage
Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
Summary of Contents for 146i
Page 1: ...Model 146i Instruction Manual Dynamic Gas Calibrator Part Number 102482 00 30Jan2008 ...
Page 4: ......
Page 16: ...Contents xii Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 148: ......
Page 188: ...Troubleshooting Service Locations 6 26 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 258: ...System Description I O Components 8 16 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 273: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 15 Figure 9 5 Bench Mounting ...
Page 274: ...9 16 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 6 EIA Rack Mounting ...
Page 275: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 17 Figure 9 7 Retrofit Rack Mounting ...