Instruction manual

7. Troubleshooting

Check the following points before calling for servicing.

Symptom Cause (→ remedy)

The power lamp does not light up when

the power switch is turned ON.

• AC adapter is not connected.

• AC adapter is not receiving power.

• The batteries are out.

No data can be received from the balance. • The connection cable is disconnected. (→ Switch off

EP-80 and the balance, then connect the cable properly.)

• The balance is not active for sending data, e.g., the

balance is displaying a menu.

• DIP switch settings have not been made effective. (→ Set

DIP switch while power is off, then turn the power on.)

• Sequence of switching power of EP-80 and the balance

was wrong. (→ See 3.4 Connecting the Balance)

The printed characters deviate. • Paper jam is occurring. (→ Reload printer paper.)

No paper feed occurs.

No key entry can be made. • Printout is in progress.

• Data is being received from the balance.

No key switch on the balance works. • There is a data I/O error. (→ Switch off once, then switch

on again.)

The following data has been printed out.

• The test program for servicing is running. If the power

switch is turned on with [FEED] key held down, the test

program is initiated.