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Troubleshooting

Error Error

Error

Location Location

Location

Type Type

Type

Description Description

Description

Cause Cause

Cause

Solution Solution

Solution

Inletpressure

lowerthande󰘰ned

value.

Ensurethatinletpressure

tothepumpissuf󰘰cient.

P2FB

HCM

LowInletPressureB

Valuede󰘰nedtoo

high.

Ensurethatthelow

pressurealarmlevel

de󰘰nedontheSystem

Setupscreenisacceptable.

System

pressurizedbefore

allowingheatto

reachsetpoint.

Pressureinthehoseand

pumpswillincreaseasthe

systemheatsup.Turnon

heatandallowallzones

toreachthetemperature

setpointbeforeturningon

thepumps.

Badpressure

transducer.

VerifytheADMpressure

readingandtheanalog

gaugesatthemanifold.

Replacetransducerifthey

donotmatch.

P4AX

HCM

HighPressureA

H-XP2orH-XP3

systemcon󰘰gured

asH-30,H-40,or

H-50.

Alarmlevelislowerfor

H-30,H-40andH-50than

forH-XP2andH-XP3..

EnsuredialonHCMisset

toposition"3"forH-XP2or

“4”forH-XP3.