Reactor Error Code Trouble Shooting Guide
Rev 2.6 (02/2014) Page 13
E03: No Zone Current
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Note: The display that is showing the E03 error is the zone that is seeing the error.
Causes:
1) Tripped circuit breaker in the electrical cabinet.
o For HOSE, check 183CB HOSE, and 178 CB HOSE.
o For “A”, 187CB A.
o For “B”, 197CB B.
2) Loose or broken connection on that zones output
o Visually inspect and check continuity of wiring harnesses from circuit breaker
module, through 238CR contactor, heater modules, and heater.
o Check continuity in the hose set < 3 ohms, out and back, with whip hose attached.
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