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What do the CBs in the JB20 do?

explanation of CB1, CB2, CB3 and up

RIH3000R · Field Reference

RIH Panel Circuit Breakers

What CB1, CB2, and the Control Bypass switches (CB3 and up) do, how they should normally be set, and how to take a fluid out of bypass.

⚠️ Caution: Live Voltage

This panel contains live voltage. Only qualified personnel should open the panel or work inside it.

RIH panel showing CB1 and CB2 at top, and relays R1 through R5 with Control Bypass breakers CB3 through CB7 below. CB5 is marked ON (in bypass).
FIG 1 Typical RIH panel. CB1 and CB2 are ON (correct). CB3, CB4, CB6, and CB7 are OFF (correct). CB5 is ON, so R3 (Fluid 3) is in bypass and CB5 must be turned OFF.

Breaker Reference

CB1 – RIH PowerNORMALLY ON

Supplies power to the RIH. Leave ON during normal operation.

CB2 – Solenoid Valve PowerNORMALLY ON WHEN USED

Powers the solenoid valves for overhead reels such as oil, coolant, and ATF.

CB3 and Up – Control Bypass SwitchesNORMALLY OFF

Each bypass breaker sits to the right of the relay it controls. When a bypass breaker is ON, its relay is bypassed and that fluid can be dispensed without authorization. Turn it OFF to return the fluid to normal authorized control.

Bypass BreakerRelay BypassedFluid
CB3R1Fluid 1
CB4R2Fluid 2
CB5R3Fluid 3
CB6R4Fluid 4
CB7R5Fluid 5

Mapping shown matches Figure 1. The number of fluids and breakers varies by installation.

Power Cycle the RIH

1
Turn CB1 OFF.
2
Wait at least 10 seconds.
3
Turn CB1 back ON.

Take a Fluid Out of Bypass

1
Find the relay for the affected fluid, then the bypass breaker immediately to its right.
2
If that breaker is ON, turn it OFF.
3
Confirm the fluid no longer dispenses without authorization.

Still dispensing with bypass OFF?

If a fluid can still be dispensed without authorization while its bypass breaker is OFF, further troubleshooting is needed. Contact Fleetwatch Support.

Need help? Contact Fleetwatch Support at (972) 722-1009.