Alarm

Meaning

Solution

 

 

 

Leak detection

The drain pan sensor detects

See the HP Performance Optimized Datacenter

 

water in the pan.

20c Maintenance and Service Guide or contact

 

 

HP service if you are still within your service

 

 

contract.

 

 

 

Change filter

The return air filters are full.

Replace the return air filters. For more

 

 

information, see the HP Performance Optimized

 

 

Datacenter 20c Maintenance and Service

 

 

Guide.

 

 

 

 

High temperature

The cold aisle temperature has

1

Verify that you have water flowing into your

 

surpassed the setpoint

 

HP POD 20c and the fans are operating.

 

temperature.

2

Contact HP service if you are still within your

 

 

 

service contract.

 

 

 

 

Low temperature

The cold aisle temperature is

1

Verify that all components are operating

 

too low.

 

normally.

 

 

2

Contact HP service if you are still within your

 

 

 

service contract.

 

 

 

 

EPO

The EPO system activates and

1

Follow the emergency procedures for your

 

the HP POD 20c shut down.

 

facility.

 

 

2

After the emergency is cleared, reset the

 

 

 

EPO and other HP POD 20c systems.

 

 

 

 

Differential pressure

The difference in pressure

1

Verify that the cold/hot aisle differential

 

between the hot and cold aisles

 

pressures are within the setpoints.

 

is above the setpoints.

2

Contact HP service if you are still within your

 

 

 

service contract.

 

 

 

 

Safety and access control alarms

Alarms pertaining to the safety of the HP POD 20c are (optionally) relayed through your building fire and access control dispatch.

Alarm

Meaning

Solution

 

 

 

Fire alarm*

The HP POD 20c detected a fire.

Activate the EPO. Follow the emergency

 

 

procedures for your facility.

Access control alarm

An access control breach occurred.

Follow the emergency procedures for your

(optional)

 

facility.

EPO

The EPO system activated and the HP

Follow the emergency procedures for your

 

POD 20c shut down.

facility.

 

 

 

*The fire alarm is relayed to your building fire and access control dispatch only if you have connected your facility to the fire box (on page 67).

Environmental control system 58