Common troubles and troubleshooting of MG-II oil test set
1. No display
(1) Check if there is power;
(2) Check if fuse burnt, one is in socket, one is on surface of panel.
2. Normal display, but there is alarm after press "RUN" key.
High voltage chamber is not closed well, or adjusting switch broken.
3. Normal display and no alarm after press "RUN" key, but voltage does not rise.
Fuse on panel burnt. Replace with a 5A fuse.
4. Words are too small when printing, or the paper does not come out.
Printing paper is rolled too tightly. Open printer panel and make the paper slightly loose.
5. Printed words are not clear.
Replace the ribbon for the printer.
