What does the FLT dr fault code mean on the VUKAR DM-Universal-V1 controller?

FLT dr is the dry run fault. The controller trips when the motor current stays below the Dry Run Ampere setting (dr) for longer than the Dry Run Trip Delay (drt), which indicates the pump is running without water. To reset: it clears automatically after the Rest Timer (rst) duration if the Cyclic Timer is enabled, or press and hold the MENU switch for 2 seconds for a manual reset, or turn the power OFF and then ON.

What do the hiu and lou voltage settings do?

hiu is the high voltage cut-off limit (settable 140-500 V) and lou is the low voltage cut-off limit (settable 130-490 V). If the supply voltage stays above hiu or below lou, the controller stops the motor to protect it. Note that the factory defaults - 500 V for hiu and 130 V for lou - are the disabling values, so voltage protection is effectively OFF as shipped until the installer sets real limits. Typical settings are 460 V and 350 V for three phase systems, and 270 V and 200 V for single phase systems.

Does the motor restart automatically after a dry run trip?

Yes, if the Cyclic Timer is enabled: the FLT dr fault clears automatically after the Rest Timer (rst) duration, which also gives a low-yield borewell time to recharge before the next pumping attempt. Without the Cyclic Timer, the fault must be cleared manually by holding the MENU switch for 2 seconds, or by turning the power OFF and ON. After a fault trip, the Auto Reset Timer (atc) sets how long the controller waits before attempting an automatic restart.

How do I set overload protection with the ol and olt parameters?

ol (Overload Ampere) is the maximum current the motor is allowed to draw - the manufacturer recommends setting it to 110% to 120% of the motor's rated full-load current. olt (Overload Trip Delay) is how long the motor may run above that current before the controller trips, typically 5 to 15 seconds depending on the motor's starting characteristics; setting olt to 0000 disables the overload trip. If the controller shows FLT oL, reset it by pressing and holding the MENU switch for 2 seconds, or by turning the power OFF and ON (the power reset works only when the olm parameter is set to No).

What does the ast (Auto Start Time) setting do after a power cut?

ast is the delay after power is restored before the motor starts automatically. It is settable from 0 to 999 seconds; the factory default is 30 seconds, and 60 to 300 seconds is the typical recommended range depending on the installation. Setting ast to 0000 disables the auto start facility.

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Three Phase Motor Starter — Compare Pump Models

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Motor Type Borewell Openwell / Monoblock

Feature Cyclic Timer + Auto Switch Cyclic Timer + Water Level Controller Cyclic Timer + Clock Timer Cyclic Timer + Water Level Controller + Clock Timer

HP Rating Up to 2 HP Up to 3 HP Up to 5 HP Up to 7.5 HP Up to 10 HP

Compare VUKAR three-phase DOL starter panels for borewell, openwell and monoblock pumps. Choose the pump application, motor HP and required automation below, then open the matching model for its exact specification.

Compare three phase pump starter models made by Vukar Automation. Share your shortlisted panel codes for a clear trade enquiry.

Who should use this comparison?

Use this selector when the pump requires a three phase DOL starter and you need to compare automation and tank-level functions. For a specific model, open its dedicated product page before ordering.

Choose the control type

Need	Starting point	Model direction
Auto Switch + Cyclic Timer	TPM-A dedicated model	For borewell, openwell or monoblock pumps without automatic tank-level control.
Borewell tank automation	TPA-B borewell starter	For Water Level Controller + Cyclic Timer.
Openwell or monoblock tank automation	TPA-O starter	For Water Level Controller + Cyclic Timer.
Clock-based schedule	TPM-T starter	For Auto Switch with Clock Timer + Cyclic Timer.

Available model differences

Auto Switch: provides automatic pump start/stop control for the selected operating mode.
Water Level Controller: controls tank filling from the connected level sensor or float switch.
Cyclic Timer: supports repeating ON/OFF cycles.
Clock Timer: adds scheduled start/stop times on models that explicitly include it.

Three phase protection and monitoring

The listed panel families provide voltage, overload, dry-run, phase-loss and phase-sequence monitoring together with operating indications. Protection behavior depends on correct settings and installation; verify the exact dedicated model specification.

Select the correct panel

Confirm borewell, openwell or monoblock application.
Match the selected 2, 3, 5, 7.5 or 10 HP variant to the motor nameplate and operating current.
Choose Water Level Controller or Clock Timer only where the product variant explicitly lists it.
Use a qualified electrician for DOL wiring, contactor/overload settings, earthing, phase sequence and sensor commissioning.

Warranty, delivery and support

Warranty: 1 year when purchased from this website.
Dispatch: 0–1 working day. Expected delivery: 1–5 working days from the order date across India.
Shipping: free across India.
Technical support: WhatsApp or call +91 63588 96254.

Frequently asked questions

Does this page represent one fixed panel?

No. It is a selector with multiple applications, control combinations and HP variants. Use the dedicated model page for exact functions.

Do all variants include automatic water-level control?

No. Only variants that explicitly list Water Level Controller include automatic level-based tank filling.

Product videos and selection guidance: TPM-A Motor Starter Videos.

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Three Phase Motor Starter — Compare Pump Models