Fault Codes - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC

6.0 FAULT CODES

This section covers fault codes, their descriptions and required actions.
In the event of a fault:
A) Verify and record the occurrence of the alarm. Note details of the alarm message
displayed on the LCD display panel.
Contact Mitsubishi Electric Power Products, Inc. at 1-800-887-7830.
B) If a circuit breaker (MCCB) has tripped, depress the toggle to reset the breaker before
closing it again.
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
MITSUBISHI ELECTRIC 9900B SERIES UPS
Page Number:
6-1