ASAB S Series - S8 Replacement Control Board

Part Code: ASAB-SCBS8

Introducing the ASAB S8 Control Board — the primary electronic control module designed to manage and regulate operation of the ASAB S8 airless sprayer. This board coordinates essential functions like motor drive control, pressure regulation response, user control inputs, and system protection logic, helping the sprayer deliver stable output and dependable performance under load.

If an S8 is showing symptoms such as no start/no power, pressure not regulating correctly, motor surging/hunting, intermittent cut-outs, unresponsive controls, or recurring fault behaviour, the control board is a common service replacement once you’ve ruled out the basics (power supply/lead, on/off switch, pressure transducer/sensor, motor/brushes, wiring harness, and connector condition). The S8 Control Board is built as a direct replacement to return the unit to consistent, job-ready operation.

Whether you’re reviving a dead machine, fixing unstable pressure behaviour, or replacing a board affected by moisture, dust ingress, impact damage, or electrical spikes, the ASAB S8 Control Board is a workshop-ready solution to get an S8 back online fast.

Key Benefits

• Direct replacement control board for ASAB S8 sprayers

• Helps restore stable pressure regulation and consistent motor response

• Supports correct operation of system protection / shutdown logic

• Ideal for common electrical symptoms: no start, cut-outs, surging, erratic control behaviour

• Service-friendly replacement for quick workshop turnaround

• Designed for commercial-use reliability in harsh job-site conditions

• Reduces downtime by returning the sprayer to proper regulation and control

What’s Included

• ASAB S8 Control Board — ASAB-SCBS8

Safety Check

• Isolate power completely: Unplug the unit before opening any electrical housing.

• Depressurise first: Prime/relief on, trigger into a waste bucket, confirm pressure is at zero before servicing.

• Capacitor discharge hazard: Some boards/drives can hold charge—allow time after unplugging and follow safe discharge practices.

• ESD precautions: Use an anti-static strap or grounding method when handling the board to avoid static damage.

• Check connectors carefully: Don’t force plugs—inspect for burnt pins, corrosion, loose terminals, or damaged harnesses before refit.

• Test progressively: Reassemble covers, power on, confirm control response at low pressure first, then ramp up slowly.

ASAB – Engineered for Performance, Built to Last.