Ideal Standard A960159NU PC BOARD AC (Armitage Shanks)

Summary

Ideal Standard A960159NU is a PC BOARD AC used in mains-powered electronic sensor tap control assemblies for selected Armitage Shanks Markwik 21 Markwik 21+ and Sensorflow 21 basin and sink fittings.

This part is the AC printed circuit board used inside the mains PSU/control assembly. Manufacturer spares diagrams may show the same board as A 960 159 NU and describe it as PCB only with transformer. It should not be confused with A962881NU which is the complete PCB CASE-MNS / PSU assembly.

Technical Details

• Separate battery PCB and linked-unit PCB versions must not be substituted for this AC board

Before You Order

• Check the exact fitting code and confirm that the product is a mains-powered electronic model rather than a battery version.
• Check whether you need the PCB-only part A960159NU or the complete mains PCB case assembly A962881NU.
• Check wiring sensor solenoid service valve and power supply condition before diagnosing the PCB as faulty.
• Mains electrical checks and fitting should be carried out by a suitably competent person.

Confirmed Models

• A4554AA GEN1 Markwik 21 Wall Mounted Electronic Thermostatic Basin / Sink Mixer
• A4555AA Markwik 21 Electronic Thermostatic Basin / Sink Mixer with Time Flow Sensor
• A6244AA Markwik 21 Integral Thermostat Tap
• A6245AA Markwik 21 Demountable Panel Mixer Flow Sensor Tap
• A6684AA Markwik 21+ Panel Mount Sensor Operated Timed Flow Detachable Spout Tap
• A6737AA Markwik 21+ Panel Mount Sensor Operated Timed Flow Fixed Spout Tap
• A4171AA Sensorflow 21 Electronic Basin Tap
• A4178AA Sensorflow 21 Wall Mounted 15cm Spout with Built-In Sensor - Mains
• A4846AA Sensorflow 21 compact 150mm wall / panel spout with sensor PC-Board AC
• A4849AA Sensorflow 21 compact 230mm wall / panel spout with sensor PC-Board AC
• A4798AA Sensorflow 21 compact basin spout with integral sensor mains

Fault Check

• Symptom: sensor tap does not respond or operates inconsistently. Likely Cause: power supply sensor PCB solenoid or wiring fault. Solution: confirm incoming mains power connector condition sensor output and solenoid function before replacing the PCB.
• Symptom: water continues to run. Likely Cause: solenoid valve or service valve fault may be present as well as control-board issues. Solution: inspect the solenoid valve service valve filters and wiring before ordering electronic parts.

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