D877 MGB Rev01 HE250.docx
37/50
Num
ERROR description
Cause / Corrective Action
0
Maneuver blocked with a specific error that follows
(Er)
Analyze the number of next error
1
(Er) Auxiliary power absence
Check board voltage supply
2
(EA) High temperature limit TMAX
Check the P105 parameter value and the fluid working
temperature
3
(EA) Low temperature limit TMIN
Check the P110 parameter value and the fluid working
temperature
4
(Er) At rest pressure meter error
Check pressure sensor TP1
5
(Er) At rest flow meter error
Check connection of the sensor TF
6
(Er) Pressure in a disabled node in Multi-valve
system
Close the group ball of valve group excluded from the
operation and discharge the pressure
7
(Er) Pressure too low
Check system sliding or heat the oil
8
(Er) Stepper driver already busy
Try restarting the board
9
Not used
/
10
(Er*)ERS solenoid valve already active without
relay activation
Try restarting the board
11
(Er) Not properly activated ERS solenoid valve
Check ERS solenoid valve coil
12
Not used
/
13
(Er*) ENR solenoid valve already active without
relay activation
Try restarting the board
14
(Er) Not properly activated ENR solenoid valve
Check ENR solenoid valve coil
15
(Er) Travel command failure
Check TP1 and TF sensor, ERS and ENR and manoeuvre
input
16
(Er) In movement flow meter error
Check if there are impediments to the flow
17
(Er) At the working anomaly of a solenoid valve
Check starting input voltage ERS and ERN solenoid valves
18
(Er) At rest VSC zero sensor error
Verify sensor 12 zero valve VSC in the waiting phase
19
(E3) A3 test not properly termined when P497 >0
Repeat A3 functional test
20
Not used
/
21
Not used
/
22
(Er) Between upward stop and RDY signal OFF
excessive delay (P891)
Reduce upward stopping distance or increase low speed
23
(Er) Between downward stop and RDY signal OFF
excessive delay (P892)
Reduce downward stopping distance or increase low speed
24
(Er) At rest temperature meter error
Check the connection and reading of the temperature sensor
25
(E1) Sequence PNP1 monitoring signal Error1 if
P464=0
Check TF and 12 zero valve VSC sensors
26
(E2) Sequence PNP1 monitoring signal Error2 if
P464=0
Check TF and 12 zero valve VSC sensors
27
(E4) Valves working Error
Check working and leakage valves
28
(E5) VSC valve movement error in relay test
phase
Try restarting the board
29
(Er) Checksum error
Try to reload the software
30
(Er) Solenoid valves always supplied
Check the connection circuit of the solenoid valves
31
Not used
/
32
(EA) During reading/writing SD absence
Insert SD-CARD and check orange LED LD35 lighting
33
(EA) Reading SD error
Check SD CARD content
34
(EA) Writing SD error
Check SD CARD formatting
35
(Er) Reading EEPROM error
Board memory problems
36
(Er) Writing EEPROM error
Board memory problems
