Customized Solutions; Instrument Malfunctions; Error Reports; Malfunctions, Possible Causes And Troubleshooting - Leica RM2255 Instruction Manual

7.

Customized solutions

7.1 Instrument malfunctions

Certain instrument malfunctions appear on the 3-digit LED display or are indicated through
illuminated LED's on the control panel.

7.1.1 Error reports

7.1.2 Malfunctions, possible causes and troubleshooting

Following is a list of the most common problems which can arise while working with the
instrument, along with possible causes and troubleshooting procedures.
If the malfunction cannot be remedied with any of the options listed in the table, or the
problem occurs repeatedly, inform the Leica Service Support immediately.
Problem
• No display; no reaction to but-
tons pressed after the instru-
ment is switched on.
64
If the message "E 1" follows the software version indication after
switching on the instrument, a loss of parameters has occurred.
• Press any key.
All parameters are then set back to the default values.
• Now all settings must be checked to see if the values are still correct.
The values may have to be reentered.
You can continue with your normal working routine.
Possible cause
1. The power cable is not connect-
ed correctly.
2. Power fuses are defective.
3. The cable of the control panel is
not connected correctly.
4. The voltage selection switch is
set incorrectly.
Corrective action
1. Check the connection of the
power cable.
2. Replace the power fuses.
(see Chapter 8.2.1)
3. Check the connection of the
cable to the control panel.
4. Check the voltage setting and
correct it if necessary
(see Chapter 4.5).
Instruction manual V 1.4 – 02/2007