Bomag BW 154 AP-4 Manual page 48

2020 The required control power cannot be
transmitted to the proportional
solenoid.
2021 Supply voltage Ub is applied to the
proportional valve output, even
though the output is not switched.
2024 Supply voltage Ub is applied to the
proportional valve output, even
though the output is not switched.
2025 Output to proportional valve shorted
to ground.
2026 Fault current regulator
2022 Output to proportional valve shorted
to ground.
2029 Initialization error output
2023 The required control power cannot be
transmitted to the proportional
solenoid.
X35:47 Valve coil defective
Line breakage in current path
X35:47 Current path has connection to +Ub (15 or 30)
X35:47 Current path has connection to +Ub (15 or 30)
X35:47 Short circuit to ground (31) in the current path
Excessive current in current path
X35:47 Line breakage in current path
Excessive current in current path
Software parameter fault, software update may be required.
X35:47 Short circuit to ground (31) in the current path
Excessive current in current path
System Software parameter fault, software update may be required.
ESX hardware defect, hardware replacement may be necessa
X35:47 Valve coil defective
Line breakage in current path
2
5
5
2
2
2
2
2