Procedures For Testing The Power Supply; Setup - Epson MR Series Technical Reference Manual

Procedures for Testing the Power Supply

CAUTION:
In the interests of safety be sure to conduct checks with the power supply disconnected
from the main circuit board.

Setup

❏ Tester
❏ Wire × 1 (for On signal input)
❏ Use the following procedures to test the power supply.
Note:
Protective circuits that protect against shorts, over current, and overheating are installed in the power
supply. In cases where these circuits shut down the power supply, power will not come back on if the
power supply is turned on immediately after being turned off. It is necessary to wait for a period of at
least fifteen seconds before turning the power back on.
1. Disconnect connectors of the power supply from each board.
2. Using a wire, short pins 14 and 15 on the power supply's 20-pin connector.
3. Connect the power cable.
4. If the power supply fan isn't revolving, spin the power supply fan.
Rev. I
MR Series Technical Reference Manual
Troubleshooting 8-23