Alarms; Fail Alarm Is Triggered; Fail Alarm Message Displayed In The Hydran Host Software; Intermittent Gas Alarms Are Occurring - GE Hydran 201 i Instruction Manual

12.5

ALARMS

12.5.1

Fail Alarm Is Triggered

1. Read the alarm message on the Hydran 201Ti's display to identify the cause of the
alarm. Then see Section 12.1 on page 12-1.
2. Verify the fuses and power supply of the Hydran 201Ci Controller and H201Ti.
3. Verify the connections of the TDM signal at both ends of the supervisory link cable.
12.5.2

Fail Alarm Message Displayed in the Hydran Host Software

1. Display the on-line help of the alarm message window to identify the cause of the
alarm.
2. For the procedure, see Section 12.1 on page 12-1.
12.5.3

Intermittent Gas Alarms Are Occurring

1. Alarm set points are too low. Consult the Hydran 201Ti's historic data files Short
Term and Long Term.
2. Compare the set points with the variations of gas level, hourly trend and daily trend.
3. Verify the H201Ti's gas alarm delays.
12.5.4 An Alarm Relay Does Not Reset, Even If the Alarm Condition Has
Disappeared
1. The corresponding alarm delay has not yet expired.
2. The RelayMode parameter (Relays/Analog submenu; Section 4.5.7 on page 4-23) of
the Hydran 201Ti's corresponding relay is set to Force ON or Force OFF.
3. The RelayMode parameter of the H201Ti's corresponding relay is set to Latch. The
alarm must be acknowledged using the H201Ti's keypad (and the alarm condition
must have disappeared) to cancel the alarm.
Part 17997 Rev. 6, March 2011
Alarms
12-17