Cableshort; Daytrend H - GE Hydran 201 i Instruction Manual

Chapter 12 • Troubleshooting
12.1.4

CableShort

• Alarm type: Fail alarm
• Non-abbreviated description: Short-circuited cable
• Priority: Very high (repair cable immediately)
• Parameter(s) involved:
– CableShort; SysOK Relay;FaultTrig. submenu; Section 4.5.7 on page 4-23
– No set point nor delay
• Alarm cause(s): Faulty connection with one of the following cables:
– Hydran 201 sensor cable
– Sensor thermistor cable (reading of 200 °C [392 °F] during one minute)
– Heating plate thermistor cable (reading of 200 °C [392 °F] during one minute)
Proceed as described for the CableOpen alarm (Section 12.1.3 on page 12-2), but replace
the temperature values indicated in the text by the following one: 200 °C (392 °F).
12.1.5

DayTrend H

• Alarm type: Gas alarm
• Non-abbreviated description: Daily trend High
• Priority: Medium
• Parameter(s) involved:
– DayTrAlr H (alarm set point); Gas;DailyTrend submenu; Section 4.5.2.3 on
page 4-17
– DayTrAlr Delay; Gas;DailyTrend submenu; Section 4.5.2.3 on page 4-17
• Alarm cause(s): Daily trend above the DayTrAlr H alarm set point
Proceed as follows:
1. Verify the daily trend calculated by the Hydran 201Ti. This value is displayed in the
Main Display mode (see Section 4.2.2 on page 4-4) and also in the DailyTrend
screen in the Gas;DailyTrend submenu (see Section 4.5.2.3 on page 4-17). If this
value seems normal, verify whether the value of the alarm set point is adequate. This
parameter was probably set to a value that is too low.
2. Verify the gas level measured by the H201Ti. This value is displayed in the Main
Display mode (see Section 4.2.2 on page 4-4) and also in the GasLevel screen in the
Gas;GasLevel submenu (see Section 4.5.2.1 on page 4-16). If this value seems
12-4 Rev. 6, March 2011 Part 17997