3M Sarns TCM II - Correcting Equipment Problems

3M Sarns TCM II

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15

Operation

Correcting

Equipment

Problems

Slow

or

no

water

flow.

Slow

or

no

cooldown.

Exce53ive

noise.

Compressor

not

running.

Check:

'

Water

supply.

Priming

requires

water

up

to

the

fill

line

of

the

large

tank.

-

Outlct

screens

(in

the

bottom

of

tank)

for

blockage.

-

Plumbing

circuit

for

blockage.

-

Plumbing

for

leaks;

tubing

for

kinks

or

air.

-

Water

fitting

connections.

-

Attached

equipment.

Check

the

ice

supply

and

the

water

flow.

Check

the

lines

for

air.

Check:

-

Ice

Supply.

Sensor

will

turn

the

compressor

off

if

the

ice

is

already

made; the

Ice

Making

lamp

will

remain

on.

0

Operating

mode.

Compressor

does

not

function

in

Defrost

mode

or

whenever

both

heaters

are

on.

.

-

Time

that

has

elapsed

since

the

switch

was

depressed.

There

is

about

Defrost

mode

will

not

start.

6°

or

10°

gradient

LEDs

not

functioning

properly.

Temperature

displays

are

incorrect.

Startup

does

not

occur

on

Temperature

Display

Module.

Remote

screen

goes

blank.

Other

Problems:

a

4

minute

delay

after

the

switch

is

depressed

before

the

compressor

turns

on.

Check:

-

Entry

mode.

Entry

to

Defrost

modc

must

be

from

Standby

mode.

‘

Ice

supply

or

water

temperature.

If

the

water

temperature

is

not

below

20°C,

the

Defrost

mode

defaults

to

Standby

mode.

Check

the

Temperature

Probe

in

the

G

socket

for

proper

connection.

Check:

'

Probe

Selection.

See

that

the

correct

probe

was

chosen

for

display.

-

Probes

for

proper

connection.

Probes

for

proper

functioning;

replace

if

necessary.

'

Probe

for

proper

placement.

-

Probelabels

for

correct

marking.

‘

Probe

modules.

Press

test

to

check

modules.

Check

the

cord

connection.

See

that

it

is

properly

connected

to

the

main

unit.

Check:

-

Cord

connection.

If

the

cord

is

disconnected

from

the

socket,

the

Display

Module

may

be

reconnected:

insert

the

plug

in

the

socket;

turn

the

System

Power

OE

and

then

On

in

order

to

repeat

startup

for

both

the

main

and

the

display

unit;

reset

all

the

modes,

temperatures,

and

alarms

on

the

main

and

remote

panels.

Note

that

rewarming

to

a

gradient

may

be

continued

without

the

Display

Module

in

use

but

it

will

not

be

possible

to

display

the

temperature

of

Probe

G.

First

attempt

to

correct

the

situation

by

turning

the

System

Power

Off

and

back

On.

If

the

problem

continues,

contact

Sarns

Service,

your

local

3M

subsidiary

or

your

authorized

Sarns

distributor.

15

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