Lorentz PS2 - Table of Contents; Required Tools

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BERNT LORENTZ GmbH
Siebenstücken 24, 24558 Henstedt-Ulzburg, Germany,
Tel (+49) 0 4193 8806-700, www.lorentz.de
Guide for troubleshooting for PS2 pump controller
Version: V210126
All specifications and information are given with good intent, errors are possible and products may be subject to change without notice.
Pictures may differ from actual products depending on local market requirements and regulations.
Content
1. Required tools ......................................................................................................................................... 2
2. Safety instruction ..................................................................................................................................... 3
3. General instruction .................................................................................................................................. 4
3.1. Task of each PS2-PCB ............................................................................................................................. 5
3.2. Efficient troubleshooting - Plan your trip ahead .................................................................................... 5
4. Troubleshooting....................................................................................................................................... 7
5. PumpScanner error codes ........................................................................................................................ 8
5.1. Pump off reason: ................................................................................................................................... 8
5.2. Advanced information: ........................................................................................................................ 10
6. How-to articles ...................................................................................................................................... 11
6.1. How to connect with the controller using PumpScanner ..................................................................... 11
6.2. How to check whether there is a short circuit on the controller board input? .................................... 12
6.3. How to check the PV Generator ........................................................................................................... 13
6.4. How to check the power supply in the PS2 controller .......................................................................... 15
6.5. How to check the MOSFETs in PS2 controller ...................................................................................... 18
6.6. How to check Well Probe/Remote Switch input and the sensors ........................................................ 21
6.7. How to check the Surge Protector (Sensors) ........................................................................................ 24
6.8. How to check analog sensors............................................................................................................... 27
6.9. How to check the resistance of the motor phases ............................................................................... 30
6.10. How to check the isolation of the motor ............................................................................................. 31
1. Required tools
no.
name
characteristic
function
1
Android Phone - PumpScanner
Bluetooth
read out the internal error for fault
finding
2
Screwdriver (Philips type)
PH2
Remove the PS2 cover
3
long-nosed pliers
Remove the PCB columns
4
Multimeter
V/A/Ω
Check the input voltage, current and
resistance
5
Isolation test device (megger)
@1000V/500V
check the isolation of e.g. motor