Filter
Top Products
MITSUBISHI
ELECTRIC
20033C SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-2
Failure Code List
Note 1
Note 2
Note 3
LCD Failure Code Status Guidance Buzzer
External send-
out contact
Failure LED
00 Test mode (Pulse check) - [1] - -
01 Maintenance mode - [1] - -
10 Battery circuit abnormal Call service engineer [1] Minor Flicker
11 Battery test - - - -
12 Battery circuit abnormal Call service engineer [1] Minor Flicker
13 Battery depleted warning - [1] Alarm Flicker
14 Battery depleted - [2] Alarm Lit up
15 Battery temperature abnormal Check battery [1] Alarm Flicker
16 Battery temperature abnormal Check battery [1] Minor Flicker
17 Battery charge voltage abnormal Call service engineer [1] Alarm Flicker
18 DC voltage abnormal Call service engineer [1] Minor Flicker
19
Battery depleted (Converter
overload)
Check AC input voltage [2] Major Lit up
21 AC input voltage out of range Check AC input voltage [1] Alarm -
22 AC input phase rotation error Check AC input voltage [1] Minor Flicker
23 Converter overload Call service engineer [1] Alarm Flicker
24 Converter over current Call service engineer [1] Minor Flicker
25 Converter abnormal (DCOV) Call service engineer [2] Major Lit up
26 Converter abnormal (DCUV) Call service engineer [2] Major Lit up
27 Converter abnormal Call service engineer [2] Major Lit up
28 Converter abnormal at pre-charge Call service engineer [2] Major Lit up
31 Inverter voltage abnormal Call service engineer [1] Minor Flicker
32 Inverter abnormal (VLOV) Call service engineer [2] Major Lit up
33 Inverter abnormal (VLUV) Call service engineer [2] Major Lit up
34 Inverter abnormal (OC) Call service engineer [2] Major Lit up
35 Inverter abnormal Call service engineer [2] Major Lit up
36 52C abnormal Call service engineer [1] Minor Flicker
37 52C abnormal Call service engineer [1] Minor Flicker
41
Bypass voltage out of range
Check bypass input
-
Alarm
Flicker
MITSUBISHI ELECTRIC 2033C SERIES UPS