Verifying The Hydran 201Ti Operation - GE Hydran 201i Installation Manual

Verifying the Hydran 201Ti Operation

5.10
1. Power up the H201Ti.
2. Verify the operation of the H201Ti by observing the six small LED diagnostic
indicators on the right side of the I/O module (from left to right in Figure 19
below):
•
C Heating state LED (yellow):
- The LED must remain lit if the internal temperature is below the set
point.
- The LED must flash if the internal temperature is close to the set point.
- The LED must remain off if the internal temperature exceeds the set
point.
• -5 - Regulated -5 Vdc supply LED (green): It must be lit.
• +5 - Regulated +5 Vdc supply LED (green): It must be lit.
• OK - System state indicator LED (green): It must be lit.
• HH - High-High alarm state LED: (red) It must be off.
• H - High alarm state LED: (red) It must be off.
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Figure 19: LED Indicators on the Right Side of the I/O Module
Hydran* 201i Installation Guide
17996 Rev5, August 2013