Combi Flash EX 655 Especificações descarregar pdf (Página 33)

Translation of the original operation manual 33

MDFE_mAtex_1307_en • jw

Malfunctions and trouble-shooting

7 Malfunctions and trouble-shooting

Fault Possible Cause Solution

Material in the

heater does not

become warm

at all

➤ No electricity ➤ A: Check that electricity is available

➤ B: Check the power connection and power supp-

ly cable and replace if necessary.

The above solutions (Point A and B) may only

be performed by qualified electrical person-

nel

➤ The temperature limiter

has shut off the fluid

heater

➤ C: Press the reset button until the control lamp

lights.

Material heats

but does not re-

ach the desired

temperature

➤ Heating cartridges are

defect

➤ Contact Customer Service

➤ Temperature limiter is

defect

➤ Contact Customer Service

➤ Temperature is set

incorrectly

➤ Reset the temperature using the temperature

knob

➤ The amount of material

passing throught the

heater is too large

➤ Lower material flow (smaller tip size)

➤ Add a second Fluid Heater in series to the sys-

tem

Male adaptors or

fluid hoses are

leaking

➤ Male adaptors and/

or fluid hoses are not

tightened correctly or

damaged

➤ Re-tighten the male adaptors and/or fluid hoses

or replace as necessary

Material does not

flow

➤ Heat exchanger is

clogged

➤

If the material in the heater

is not completely cured, it may be possible to re-

move it by flushing under high pressure: HP max.

450 bar (6525 psi) / LP max. 200 bar (2900 psi).

➤ Due to the danger of explosion, the Fluid Heater

may only be flushed when completely cold.

➤ Thoroughly flush the heat exchanger or replace if

necessary.

➤ If the material is fully cured (especially with two-

component materials), the heat exchanger must

be replaced.

➤ The heat exchanger may only

➤ be replaced when the Fluid Heater is cold and

disconnected from the electrical power supply.

➤ To remove, loosen the two mounting screws

and screw in the separating screw until the heat

exchanger has separated from main housing.

➤ Before mounting, the cone-shaped surface inside

the heat exchanger must be coated completely

with copper paste (

Order No. 0000233).

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