Problem

 

Possible Cause

 

Solution

 

The OIL LED is on.

 

Oil tank is empty

 

Refill the oil tank

 

 

A shut-off valve at the outlet of

 

Open the shut-off valve

 

 

the oil tank might be closed

 

Change the oil filter, or clean out

 

 

Oil flow from the oil tank may be

 

 

 

 

any obstructions in the pipe

 

 

obstructed; the oil filter may be

 

between the oil tank and the

 

 

clogged

 

Dripmaster inlet

 

 

Oil blockage between the

 

Clean out any obstructions in

 

 

Dripmaster outlet pipe and the

 

the pipe between the

 

 

line-shaft—excessive oil briefly

 

Dripmaster outlet and the line-

 

 

flows from a built-in overflow

 

shaft.

 

 

hose

 

 

 

 

 

 

Note: Reset the system after fixing

 

 

 

 

 

 

 

 

 

 

the problem. See Resetting

 

 

 

 

 

the Dripmaster on page 18.

 

 

 

 

 

After restoration, the

 

 

 

 

 

counter displays 00, and the

 

 

 

 

 

drip search function causes

 

 

 

 

 

the motor to open the

 

 

 

 

 

needle valve until drops are

 

 

 

 

 

detected, after which normal

 

 

 

 

 

stabilization occurs.

 

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Image 24
Hoffman Media EDD-4C manual Problem Possible Cause Solution