Instruction manual

ALARM MESSAGES AND CORRECTIVE ACTIONS
20221511 / C 103
12.4 Complete alarm code list
Alarm
code
Alarm content
Detailed
code
Possible cause
E-1
Main power is
abnormal
1 When the main power (AC power source) is lost.
2
Power supply unit in the control box becomes over
current.
3
Power supply unit in the control box becomes over
voltage.
E-2
Power is
abnormal
4 24R is lost.
5 Inverter in the master compass becomes over current.
E-3
Inverter is
abnormal
6 Inverter in the master compass becomes over voltage.
7 +12.5V is abnormal.
8 -12.5V is abnormal.
9 +10V is abnormal.
E-4 *1
Control power is
abnormal
10 -10V is abnormal.
E-5 *1
Rotor current is
abnormal
11 Gyro rotor current is abnormal.
E-6
Rotor tilting angle
is abnormal
12 Rotor tilting angle is abnormal.
13 Horizontal servo loop is abnormal.
14 Bearing servo loop is abnormal.
E-7 *1
Servo loop is
abnormal
15 Rate limit is abnormal.
E-8
Zero cross is
abnormal
36 Zero cross azimuth angle sensor is abnormal.
16 Memory is abnormal
17 Memory is abnormal
18 Memory is abnormal
19 Memory is abnormal
E-9 *1
Memory is
abnormal
20 Memory is abnormal
21 Communication error (MCC→SCC).
E-A
Communication
error (1)
23 MCC is reset.
22 Communication error (SCC→MCC).
E-b *1
Communication
error (2)
24 SCC is reset.
E-c
GPS
communication off
25
When GPS system is stopped or serial signal from GPS
is cut. (timeout is 15 sec.)
26 GPS latitude data abnormal. (timeout is 17 sec.)
E-d
GPS data
abnormal
27 GPS speed data abnormal.(timeout is 17 sec.)
E-E
MAG/EHS
communication off
32
When MAG/EHS system is stopped or serial signal from
GPS is cut. (timeout is 15 sec.)