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Section 9 - Troubleshooting

Figure 8 - Troubleshooting Chart - NO AIR FLOW

20

NO AIR FLOW

ENSURE UNIT IS

PLUGGED IN

UNPLUG UNIT; CHECK

CIRCUIT BREAKER

REPAIR/REPLACE

IS

RFU LIT?

CALL

YOUR DEALER

UNPLUG

UNIT AND

OPEN IT

REINSTALL

FILTER

IS S2

OR S3

TRIPPED?

RESET

S2, S3

IS RT1

THERMISTOR ASSY

CONNECTED?

PERFORM FUNCTION  CHECK--
POSSIBLE CAUSES:
1. TOO HIGH STORAGE TEMP
2. UNIT OUT OF CAL.
3. LOW SPEC ON S2, S3

PERFORM

FUNCTIONAL

CHECK

DOES RFU
REOCCUR?

POSSIBLE CONTROLLER

FAILURE; CALL

YOUR DEALER

RUN UNIT IN

32°C SETTING

FOR 10 MINUTES

S4 HAS

TRIPPED

RESET S4

IS THERE A

BLOCKED,BENT,

OR MISALIGNED

BLOWER WHEEL?

POWER UP

UNIT.

AIRFLOW?

REPAIR/REPLACE

MOTOR

NO

YES

NO

YES

IS CIRCUIT

BREAKER LIT?

IS FILTER

INSTALLED

CORRECTLY?

REMOVE BLOCKAGE;

REPLACE/ALIGN

BLOWER WHEEL

RECONNECT RT1

THERMISTOR

ASSEMBLY

YES

YES

NO

YES

NO

YES

NO

YES

NO

NO

PERFORM

FUNCTIONAL

CHECK

NO

YES

SYMPTOM:

Summary of Contents for Thermacare TC3001

Page 1: ...Service Manual Thermacare TC3001 Convective Warming Unit P N 11897 000 02 06...

Page 2: ...ats within this device to actuate Should this occur the REMOVE FROM USE indicator will light when the Power Unit is turned on If this happens the thermostats must be manually reset Refer to section 7...

Page 3: ...20 Test Tool Schematic 27 13 0 Wiring Diagram 28 Illustrations Figure Description Page 1 Convective Warming System 5 2A B Power Unit Mounting 5 3 Pole Mounting Height Limit 5 4 Operator Control Panel...

Page 4: ...e servicing the TC3001 Power Unit WARNING WARNING This device generates heated air flow Excessive heat could cause thermal stress or skin lesions Failure to follow these precautions could result in de...

Page 5: ...mar upon request Warranty does not cover products abused misused or altered outside the factory There are no obligations on the part of Gaymar for consequential damages arising out of or in connection...

Page 6: ...stat has tripped Also the heating element and blower will turn off HEPA Filter Interlock Switch The REMOVE FROM USE indicator will light on the front panel when the HEPA filter has been installed inco...

Page 7: ...provides a continuous source of air to the Quilt The Power Unit consists of a HEPA filter blower heater and temperature controller The Power Unit is a hand carried portable device which has dual mount...

Page 8: ...ostats These thermostats are located in the output air stream and will interrupt power to both the heater and the blower and light the REMOVE FROM USE indicator on the front panel should the output ai...

Page 9: ...the bed rail hooks when not in use 6 6 Air Vents Clean accumulated dirt from the air vents with a vacuum cleaner 5 0 Controls and Indicators 5 1 Power An on off circuit breaker is located on the front...

Page 10: ...ch as cuts or cracked insulation Check the quality of the strain relief Replace rather than repair damaged line cords 7 0 Functional Check and Safety Inspection To assure optimum performance dependabi...

Page 11: ...For those facilities not having access to a TC20 follow steps 21 to 50 pp 12 13 NOTE A third thermostat the heater overtemp thermostat item 25 fig 11 p 26 is provided to protect internal components in...

Page 12: ...at the REMOVE FROM USE light is lit NOTE It is acceptable if both thermostats trip simultaneously in which case the S2 and S3 indicators will both be off If this occurs record the elapsed time and tem...

Page 13: ...b Run the Power Unit for 5 to 10 minutes in the 46 C setting c Bypass S2 by placing the THERMOSTAT BYPASS switch in the S2 position Place the HEAT OVERTEMP Switch to OVERTEMP Allow the Power Unit to o...

Page 14: ...ps 26 through 31 as quickly as possible to prevent the Power Unit from cooling down 26 Unplug the Power Unit Carefully separate the enclosure slightly 27 Unplug the thermistor item 12 fig 10 p 25 from...

Page 15: ...Have a stopwatch ready NOTE Do not set the TEMPERATURE SETTINGS switch to fan only since this setting disables the heater 43 The temperature should start to increase When the air temperature reaches...

Page 16: ...38 C setting Average temperatures and record Allowable 38 C temperature 36 1 C to 39 4 C average 50 Reset the thermostats by gently pressing the center reset buttons Use care when resetting the thermo...

Page 17: ...s test Record the value 2 The value should be less than 0 5 ohms 7 9 Current Leakage Measure current leakage 1 Measure and record the maximum earth current leakage ground open An unplated area on the...

Page 18: ...u R 3 1 C 8 4 t a h c t a w p o t s t r a t S P M E T R E V O o t 0 2 C T e c a l P 4 1 e r u t a r e p m e t e m i t e t o N s t h g i l 0 2 C T n o r o t a c i d n i 3 S 2 S n e h w h c t a w p o t...

Page 19: ...i g u l P e r u s o l c n e e t a r a p e S t i n U r e w o P g u l p n U t i n U r e w o P f f o n r u T M R O F N O I T C E P S N I d n a l e b a l r e t l i f w e n n o s r u o h g n i n n u r l a...

Page 20: ...pection Form cont d 18 48 50 52 54 56 58 60 62 64 66 68 70 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 Time Seconds Hose output air temperature C Fail Thermostat trip point to...

Page 21: ...the following troubleshooting charts refer to PREVENTIVE MAINTENANCE section 6 p 7 and REPAIR PROCEDURES section 10 pp 21 23 NO HEAT DOES QUILT INFLATE GO TO NO AIR FLOW SYMPTOM PRESS EACH SETTING BUT...

Page 22: ...ES 1 TOO HIGH STORAGE TEMP 2 UNIT OUT OF CAL 3 LOW SPEC ON S2 S3 PERFORM FUNCTIONAL CHECK DOES RFU REOCCUR POSSIBLE CONTROLLER FAILURE CALL YOUR DEALER RUN UNIT IN 32 C SETTING FOR 10 MINUTES S4 HAS T...

Page 23: ...Replace the terminal block Reconnect the ground wire to the backing plate make sure the lock washer is reinstalled 18 Replace the HEPA filter Secure it with the filter retainer and nut 19 Perform the...

Page 24: ...and nut 14 Perform the FUNCTIONAL CHECK AND SAFETY INSPECTION section 7 pp 8 15 10 4 Replacing the motor To replace the motor 1 Unplug the Power Unit 2 Remove the six screws securing the enclosure Ope...

Page 25: ...Control PC Board To replace the P C board assembly item 9 fig 10 1 Unplug the Power Unit 2 Remove the six screws securing the enclosure Open the enclosure Section 10 Repair Procedures cont d 23 3 Cut...

Page 26: ...il Drawing 24 2 5 mm 1 5 4 7 6 3 2 Item Description Part Number 1 HEPA filter 78029 000 2 Filter retainer nut 91396 005 3 Heater 78136 000 4 RT1 Thermistor assembly 77942 000 5 Blower wheel 91369 000...

Page 27: ...Section 11 Drawings Parts Lists cont d Figure 10 TC3001 Detail Drawing 25 TEST PLUG HOUR TIMER HEAT S3 S2 OVERTEMP THERMOSTAT BYPASS 13 4 11 10 9 8 12...

Page 28: ...wing Section 11 Drawings Parts Lists cont d 26 To release wires from terminal block insert a small screwdriver in slot nearest wire and pull towards center 22 18 S3 S2 17 16 15 23 24 S4 26 27 28 WARNI...

Page 29: ...0 0 0 5 2 0 8 7 7 1 3 S 2 S s t a t s o m r e h t t i m i l t n e i t a P 5 0 0 3 2 3 1 9 5 2 l e b a l g n i n r a w e s o H 0 0 0 8 3 0 9 0 8 1 y l b m e s s a e s o H 0 0 0 1 4 0 8 7 6 2 y l b m e...

Page 30: ...28 Section 13 Wiring Diagram Figure 13 Wiring Diagram ATTENTION Static Sensitive Devices...

Page 31: ...29 Section 13 Wiring Diagram cont d...

Page 32: ...GAYMAR INDUSTRIES INC 10 Centre Drive Orchard Park NY 14127 2295 USA Phone 716 662 8636 FAX 716 662 0730...

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