If the ZFR-HPSST-0 Wireless Sensing System Tool fails to operate within its specifications, replace the unit. For a replacement ZFR-HPSST-0 Tool, contact the nearest Johnson Controls® representative.
Two AA alkaline batteries are supplied with the ZFR-HPSST-0Wireless Sensing System Tool. Replace the batteries with high-quality AA alkaline batteries as necessary, ensuring that the batteries are installed in the proper polarity. Replace both batteries at the same time.
Note: Batteries removed from this device must be recycled or disposed of in accordance
with local, national, and regional regulations. Only certified technicians or
qualified building maintenance personnel should service Johnson Controls products.
Lithium batteries with a maximum cell voltage of 1.5 volts can be substituted to
extend the period between battery replacement. Do not mix lithium and alkaline
batteries in this device.