What to do if the compressor current is too low in my Graf Tank Equipment?
If the compressor current on your Graf Tank Equipment is too low, it could mean the compressor isn't working or isn't receiving power. To address this, check the compressor in manual mode.
How to troubleshoot no display and no light on Graf Tank Equipment?
If your Graf Tank Equipment shows no display and no light, it could be due to a power failure, the system being turned off, or no voltage at the control cabinet. Check the power supply to the system and control system. Turn the system back on. Check the supply to the control cabinet. Wait for resumption of power supply.
Why is there compressor overcurrent in my Graf Tank Equipment?
If you're experiencing compressor overcurrent on your Graf Tank Equipment, it might be due to a short-circuit. Check the supply to the control cabinet.
What causes one-sided ventilation or large air bubbles in Graf Tank Equipment?
If the ventilation in your Graf Tank Equipment is one-sided or large air bubbles appear, it could be due to a defective membrane unit or leaky air admittance valves. Contact a maintenance company to address this issue and to seal leaky air admittance valves.
How to set the clock on Graf Tank Equipment?
To set the clock on your Graf Tank Equipment, navigate to the menu item and set the date and time, because the internal clock/date may not be set.
What to do if my Graf Tank Equipment has no display, but the light is green?
If your Graf Tank Equipment shows no display but the light is green, turn the system off and then back on again after waiting for 10 seconds.
Wastewater is subjected to aerobic treatment for a fixed amount of time, with microorganisms supplied oxygen.
No aeration; activated sludge settles, forming clear water zone and mud layer.
Biologically treated wastewater is extracted using a mammoth pump principle (air lift pump).
System switches outputs for air compressors and motors on timer based on sequence tables.
How to query system parameters and navigate through different operating levels.
How to operate individual valves manually for testing and checks.
Procedure for setting the system's current date and time for accurate logging.
How to configure reduced system operation for periods of non-use.
Accessing and viewing historical fault messages with date and time.
Viewing current control system settings without making changes.
Accessing advanced settings for qualified personnel, protected by a code.
Operator's duty for fault-free operation, daily and monthly checks.
Tasks and frequency for professional maintenance, including contract requirements.
How to measure SV30 to determine the need for sludge removal.
Step-by-step guide for removing sludge from the wastewater treatment tank.
How the system behaves during and after a power outage.
Explains fault codes, display messages, and indicator lights.
Troubleshooting guide for issues related to water levels and system smells.
Details the 10-year warranty for underground tanks, excluding parts and accessories.
Conditions for warranty, including installation, commissioning, and maintenance by specialists.
General| Brand | Graf |
|---|---|
| Model | one2clean |
| Category | Water System |
| Language | English |
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