05000368/LER-1979-050-03, /03L-0 on 790703:control Room Emergency Air Conditioner 2VE1-A Failed to Start from Control Room Panel 2c33 During Mode 1.Caused by High Pressure Switch Tripping Due to Low Water in Condenser

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/03L-0 on 790703:control Room Emergency Air Conditioner 2VE1-A Failed to Start from Control Room Panel 2c33 During Mode 1.Caused by High Pressure Switch Tripping Due to Low Water in Condenser
ML19274F819
Person / Time
Site: Arkansas Nuclear 
Issue date: 07/31/1979
From: Shively C
ARKANSAS POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19274F812 List:
References
LER-79-050-03L, LER-79-50-3L, NUDOCS 7908060480
Download: ML19274F819 (1)
v • d • e


LER-1979-050, /03L-0 on 790703:control Room Emergency Air Conditioner 2VE1-A Failed to Start from Control Room Panel 2c33 During Mode 1.Caused by High Pressure Switch Tripping Due to Low Water in Condenser
Event date:
Report date:
3681979050R03 - NRC Website
v • d • e

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,4 is pt og g caf e 30 t VENT Of 5C AIPflON AND PROB A3LE CONSEQUENCES h l o 171 [__Du. ine Mode 1, the control Room Emergency Air Conditioner, i

Lt.DJ l 2 vel-A. failed to start from the control r_com panel, 2c33.

I lo 141 l The redundant Emernency Air conditioning sytem was 1

Ltis) I operable. There have been no similar occurrences.

g l o 161 1 This occurrfence is reportable per T.S.6.9.1.9b.

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lilo1 l Investication revealed the hich pressure switch tripped due to 1

ii Iii i low water in the cod enser.

The unit indicated an overcharce I

d Lud I of freon and the connressor oil neecied to be chanced.

The oil was chancad, t i l,I Lthe unit recharce. 6 operationally tested.

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