Troubleshooting

IMER Step-Up 120 problems and fixes

The troubleshooting table of the IMER manual 3226875 R16, problem by problem: the likely causes, what the manual says to do and the parts for each fix.

problems: 21

Disconnect the machine from power before any check. Fixes marked Qualified person involve electrical, pressure or engine work: have them done by a qualified technician and follow the safety instructions in your IMER manual.

Machine does not start, compressor does not start, On the display is visualized ---------------------(MONOPHASE)Qualified person
Possible cause What to do
The supply voltage is too high To check that the supply voltage does not exceed 260V
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 38
The machine stops during operation. ERR00 : Hopper grille open or incorrectly located.(MONOPHASE)Qualified person
Possible cause What to do
Hopper grille open or incorrectly located. Ensure the grille is properly located
Connection plug not inserted Insert connection plug
System malfunction. Contact Assistance Service
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR01 : High circuit board temperature (Inverter).(MONOPHASE)
Possible cause What to do
High circuit board temperature (Inverter). Wait for it cool down
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR02 : High screw pump motor temperature.(MONOPHASE)
Possible cause What to do
High screw pump motor temperature. The motor has been subjected to overloading for a long time. Wait for it cool down
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR03 : Too much power required from screw pump motor (motor jammed).(MONOPHASE)
Possible cause What to do
Too much power required from screw pump motor (motor jammed). Check the mixture Resize the length of the piping
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR04 : Screw pump motor overload warning.(MONOPHASE)
Possible cause What to do
Screw pump motor overload warning. Check the mixture Decrease the speed of the screw pump motor Ensure that the power voltage is > 205V
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR05 : The compressor turns on and off too frequently (<5 start/min)(MONOPHASE)Qualified person
Possible cause What to do
The compressor turns on and off too frequently (<5 start/min) High leakage from the piping Replace the gaskets
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR06 : Compressor blocked at the start(MONOPHASE)
Possible cause What to do
Compressor blocked at the start Switch off and switch on the compressor
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR07 : Current loss to ground or system malfunction.(MONOPHASE)Qualified person
Possible cause What to do
Current loss to ground or system malfunction. Contact Assistance Service. Check for water in system.
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR 08 : Power voltage too low:(MONOPHASE)Qualified person
Possible cause What to do
Power voltage too low: Lower than 180V for versions 220V Lower than 85V for versions 115V Check power supply connection
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ERR09 : Overload current on motor vibrating screen(MONOPHASE)Qualified person
Possible cause What to do
Overload current on motor vibrating screen Check the motor vibrating screen Disconnect any electrical device on the power grid
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. ------------ : Voltage input >265V(MONOPHASE)Qualified person
Possible cause What to do
Voltage input >265V Check power supply connection
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 39
The machine stops during operation. BLOC : Motor screw pump jammed(MONOPHASE)
Possible cause What to do
Motor screw pump jammed Check whether the stator and rotor are jammed together
Parts named in these fixes, from the Step-Up 120 parts book
- 2L6 Pump Stator, Yellow, for IMER Step-Up 1201107077 · drawing 16, ref 7$319.00
- 2L6 Pump Rotor for IMER Step-Up 1201107078 · drawing 16, ref 6$549.00
Check the part number on your machine or in its parts book before you order.
Source: IMER manual 3226875 R16, page 39

Possible cause	What to do
The supply voltage is too high	To check that the supply voltage does not exceed 260V

Possible cause	What to do
Hopper grille open or incorrectly located.	Ensure the grille is properly located
Connection plug not inserted	Insert connection plug
System malfunction.	Contact Assistance Service

Possible cause	What to do
High circuit board temperature (Inverter).	Wait for it cool down

Possible cause	What to do
High screw pump motor temperature. The motor has been subjected to overloading for a long time.	Wait for it cool down

Possible cause	What to do
Too much power required from screw pump motor (motor jammed).	Check the mixture Resize the length of the piping

Possible cause	What to do
Screw pump motor overload warning.	Check the mixture Decrease the speed of the screw pump motor Ensure that the power voltage is > 205V

Possible cause	What to do
The compressor turns on and off too frequently (<5 start/min) High leakage from the piping	Replace the gaskets

Possible cause	What to do
Compressor blocked at the start	Switch off and switch on the compressor

Possible cause	What to do
Current loss to ground or system malfunction.	Contact Assistance Service. Check for water in system.

Possible cause	What to do
Power voltage too low: Lower than 180V for versions 220V Lower than 85V for versions 115V	Check power supply connection

Possible cause	What to do
Overload current on motor vibrating screen	Check the motor vibrating screen Disconnect any electrical device on the power grid

Possible cause	What to do
Voltage input >265V	Check power supply connection

Possible cause	What to do
Motor screw pump jammed	Check whether the stator and rotor are jammed together

The machine stops during operation. STOP : Inlet air on compressor is closed(MONOPHASE)Qualified person

Possible cause	What to do
Inlet air on compressor is closed Jet nozzle closed Nozzle clogging Pipe clogging from machine	The warning automatically disappears if the machine starts normally after the halt. Clean the air nozzle and unblock the air hose.

Qualified person: this fix involves electrical, pressure or engine work.

Source: IMER manual 3226875 R16, page 39

Machine does not start, compressor does not start and the blue light is OFF(THREEPHASE)Qualified person

Possible cause	What to do
Electric current No current delivered to connector of site panel (fuses)? No power delivered to machine (defective connector connection? loose cable?) Main switch not turned on It miss a phase	Check point listed alongside

Qualified person: this fix involves electrical, pressure or engine work.

Source: IMER manual 3226875 R16, page 40

The machine stops during operation. The following texts appear on display: Material pressure of friction on screw too high(THREEPHASE)

Possible cause	What to do
Material pressure of friction on screw too high	Reduce flow rate before restarting Low level of binder in mix, add cement or lime Sand not perfectly suitable for pumping;correct Pipeline length excessive;reduce

Source: IMER manual 3226875 R16, page 40

The machine stops during operation. The following texts appear on display: Inverter temperature too high(THREEPHASE)Qualified person
Possible cause What to do
Inverter temperature too high Wait for the motor to cool sufficiently before restarting Check the power line
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 40
The machine stops during operation. The following texts appear on display: Motor temperature too high(THREEPHASE)
Possible cause What to do
Motor temperature too high Wait for the motor to cool sufficiently before restarting
Source: IMER manual 3226875 R16, page 40
The machine stops during operation. The following texts appear on display: Inverter module current too high(THREEPHASE)Qualified person
Possible cause What to do
Inverter module current too high Probable external short circuit
Qualified person: this fix involves electrical, pressure or engine work.
Source: IMER manual 3226875 R16, page 40
The machine stops during operation. The following texts appear on display: System overload(THREEPHASE)
Possible cause What to do
System overload Pump seized
Source: IMER manual 3226875 R16, page 40

Possible cause	What to do
Inverter temperature too high	Wait for the motor to cool sufficiently before restarting Check the power line

Possible cause	What to do
Motor temperature too high	Wait for the motor to cool sufficiently before restarting

Possible cause	What to do
Inverter module current too high	Probable external short circuit

Possible cause	What to do
System overload	Pump seized

The machine stops during operation. The following texts appear on display: Supply voltage too low(THREEPHASE)Qualified person

Possible cause	What to do
Supply voltage too low	Check that the power voltage is between 210 and 230V with the machine running and that the cables are correctly sized, and that there is no other equipment (cranes, hoists, saws, cement mixers etc..) connected to the same power line

Qualified person: this fix involves electrical, pressure or engine work.

Source: IMER manual 3226875 R16, page 40

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IMER Step-Up 120 problems and fixes

Parts named in these fixes, from the Step-Up 120 parts book