Jungheinrich ESD 220 Operating Instructions Manual page 104

8.4.4 Changing the master code
Z
To change the length of the master code you must follow the procedure in "Choose
length of the new master code (4-6 digit) and add user codes", see page 111. If
there are still user codes stored in the code lock, the master code to be changed
must be the same length as the saved user codes.
Requirements
– To prepare the truck for operation, see page 101.
Procedure
• Press the O key (93).
• Enter the valid master code with the digit keys.
When you enter the valid master code the LED
(92) flashes green.
• Enter the parameters 0-0-0 with the digit keys.
• Confirm with the SET key (91).
The LEDs (88,92) flash green.
• Enter the valid master code again with the digit keys.
• Confirm with the SET key (91).
The LEDs (89,92) flash green.
• Enter the valid master code with the digit keys.
Z
The new master code must be different from existing user codes.
• Confirm with the SET key (91).
The LEDs (90,92) flash green.
• Enter the new master code again with the digit keys.
• Confirm with the SET key (91).
Wait until the LED (92) flashes green. The setting is saved.
• Press the O key (93).
The truck is switched off and the LED (92) is lit red.
• Check the new master code:
• Switch on the truck with the new master code, see page 101
When you enter the valid master code the LED (92) flashes green.
• Press the O key (93).
The truck is switched off and the LED (92) is lit red.
102
88 89 90
91 92 93