Frymaster CT16 Series manual Probe Resistance Chart, Problem, Probable Causes, Corrective Action

Models: CT16 Series

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Probe Resistance Chart

PROBLEM

PROBABLE CAUSES

CORRECTIVE ACTION

 

 

 

 

 

A. Check for 12VDC on computer pins 6 &

 

 

7. If NOT present AND motor is running,

 

A. Failed computer.

replace computer. Check for 5VDC on

 

terminals 3 & 4 of main heater relay and

 

 

pins 1 and 6 of computer. If NOT present

 

 

at either point AND motor is running,

 

 

replace computer.

 

B. Broken/loose wire between computer and

B. Check for 12VDC on computer pins 6 &

 

latch relay, or failed latch relay.

7. If present and wiring is intact, replace

 

latch relay.

 

 

 

 

C. Determine temperature of platen then

 

 

measure main heater probe resistance at

Platen does not heat, but

C. Failed main heater probe.

pins 3 & 5 of 9-pin connector. If the

probe resistance is NOT approximately

computer display is on.

 

 

equal to the corresponding resistance in

 

 

the chart on Pages 24 and 25, replace the

 

 

probe.

 

D. Broken/loose wire between computer and

D. Check for 5VDC on terminals 3 & 4 of

 

main heater relay AND on computer pins

 

main heater relay, or failed main heater

1 & 6. If present on pins 1 & 6, but NOT

 

relay.

on terminals 3 & 4, and wiring is intact,

 

 

replace the main heater relay.

 

 

E. Check for 5VDC on terminals 3 & 4 of

 

 

main heater relay and for line voltage on

 

E. Failed platen.

terminal 2 of main heater relay and

 

terminal 4 of latch relay. If expected

 

 

 

 

voltage is present at all three points,

 

 

replace the platen.

 

 

 

Probe Resistance Chart

For use with CT16 Series toasters manufactured with Minco Thermistor probes only.

F

OHMS

C

 

F

OHMS

C

 

F

OHMS

C

 

F

OHMS

C

 

F

OHMS

C

60

1059

16

 

160

1268

71

 

260

1473

127

 

360

1674

182

 

460

1872

238

65

1070

18

 

165

1278

74

 

265

1483

129

 

365

1684

185

 

465

1882

241

70

1080

21

 

170

1289

77

 

270

1493

132

 

370

1694

188

 

470

1892

243

75

1091

24

 

175

1299

79

 

275

1503

135

 

375

1704

191

 

475

1901

246

80

1101

27

 

180

1309

82

 

280

1514

138

 

380

1714

193

 

480

1911

249

85

1112

29

 

185

1320

85

 

285

1524

141

 

385

1724

196

 

485

1921

252

90

1122

32

 

190

1330

88

 

290

1534

143

 

390

1734

199

 

490

1931

254

95

1133

35

 

195

1340

91

 

295

1544

146

 

395

1744

202

 

495

1940

257

100

1143

38

 

200

1350

93

 

300

1554

149

 

400

1754

204

 

500

1950

260

105

1154

41

 

205

1361

96

 

305

1564

152

 

405

1764

207

 

505

1960

263

110

1164

43

 

210

1371

99

 

310

1574

154

 

410

1774

210

 

510

1969

266

115

1174

46

 

215

1381

102

 

315

1584

157

 

415

1783

213

 

515

1979

268

120

1185

49

 

220

1391

104

 

320

1594

160

 

420

1793

216

 

520

1989

271

125

1195

52

 

225

1402

107

 

325

1604

163

 

425

1803

218

 

525

1998

274

130

1204

54

 

230

1412

110

 

330

1614

166

 

430

1813

221

 

530

2008

277

135

1216

57

 

235

1422

113

 

335

1624

168

 

435

1823

224

 

535

2018

279

140

1226

60

 

240

1432

116

 

340

1634

171

 

440

1833

227

 

540

2029

282

145

1237

63

 

245

1442

118

 

345

1644

174

 

445

1843

229

 

545

2039

286

150

1247

66

 

250

1453

121

 

350

1654

177

 

450

1852

232

 

550

2049

288

155

1258

68

 

255

1463

124

 

355

1664

179

 

455

1862

235

 

 

 

 

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Frymaster CT16 Series manual Probe Resistance Chart, Problem, Probable Causes, Corrective Action