Field toolkit
Print it, save it, take it on the call.
74 PDFs written by OnCall Tech: job forms, pocket reference cards, installation checklists and error-code quick sheets built only from codes cross-checked in two or more sources. Free files are open to everyone; the other 71 come with lifetime access.
Forms
Service call job sheet
One page per call: customer, appliance, model and serial, complaint, every test with its reading, parts and sign-off.
FreePDF · 78 KB
Repair estimate & authorization
Written estimate the customer signs before you order parts: diagnosis, parts, labor, terms and approval.
Lifetime accessPDF · 57 KB
Reference cards
Multimeter quick reference
Which setting for which test, what OL and 0 Ω really mean, and the mistakes that give false readings.
FreePDF · 84 KB
Field safety card
What to do first on every call, and the jobs OnCall Tech never walks you through: gas and sealed refrigerant systems.
FreePDF · 62 KB
Model & serial label locations
Where each brand hides the rating plate, and how to read the build date from the serial number when it's known.
Lifetime accessPDF · 146 KB
Checklists
Error-code quick sheets
A.O. Smith water heater error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 99 KB
Aprilaire dehumidifier error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 99 KB
Bosch dishwasher error codes
24 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 150 KB
Bosch ranges error codes
12 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 108 KB
Bosch washer error codes
14 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 119 KB
Bradford White water heater error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 102 KB
Carrier furnace error codes
16 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 128 KB
Daikin air conditioner error codes
20 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 131 KB
Fisher & Paykel dishwasher error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 99 KB
Frigidaire air conditioner error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 95 KB
Frigidaire dishwasher error codes
13 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 111 KB
Frigidaire dryer error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 103 KB
Frigidaire freezer error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 100 KB
Frigidaire ranges error codes
10 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 102 KB
Frigidaire refrigerator error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 99 KB
Frigidaire washer error codes
24 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 149 KB
Fujitsu air conditioner error codes
16 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 121 KB
GE Profile Opal ice maker error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 103 KB
GE dishwasher error codes
15 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 123 KB
GE dryer error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 105 KB
GE ranges error codes
14 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 114 KB
GE refrigerator error codes
14 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 120 KB
GE washer error codes
21 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 138 KB
Genie garage door opener error codes
15 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 121 KB
Goodman furnace error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 103 KB
Google Nest thermostat error codes
12 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 116 KB
Gree air conditioner error codes
15 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 120 KB
Haier air conditioner error codes
20 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 130 KB
Heil furnace error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 105 KB
Honeywell Home thermostat error codes
22 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 130 KB
Hoshizaki ice maker error codes
9 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 101 KB
LG air conditioner error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 98 KB
LG dishwasher error codes
12 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 107 KB
LG dryer error codes
22 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 146 KB
LG ranges error codes
19 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 132 KB
LG refrigerator error codes
28 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 159 KB
LG tv error codes
10 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 111 KB
LG washer error codes
22 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 142 KB
Lennox furnace error codes
25 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 161 KB
LiftMaster garage door opener error codes
35 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 202 KB
Maytag washer error codes
10 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 97 KB
Midea air conditioner error codes
19 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 133 KB
Midea dishwasher error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 93 KB
Miele washer error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 92 KB
Mitsubishi Electric air conditioner error codes
12 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 109 KB
MrCool air conditioner error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 94 KB
Overhead Door garage door opener error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 94 KB
Rheem water heater error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 92 KB
Rinnai water heater error codes
26 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 151 KB
Roku TV tv error codes
17 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 122 KB
Samsung air conditioner error codes
19 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 130 KB
Samsung dishwasher error codes
13 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 113 KB
Samsung dryer error codes
18 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 136 KB
Samsung microwave error codes
21 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 143 KB
Samsung ranges error codes
18 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 135 KB
Samsung refrigerator error codes
27 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 161 KB
Samsung tv error codes
13 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 120 KB
Samsung washer error codes
27 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 161 KB
Scotsman ice maker error codes
11 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 104 KB
Speed Queen washer error codes
12 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 111 KB
Takagi water heater error codes
14 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 110 KB
Trane furnace error codes
11 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 106 KB
Whirlpool dishwasher error codes
16 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 121 KB
Whirlpool dryer error codes
16 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 127 KB
Whirlpool microwave error codes
15 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 124 KB
Whirlpool ranges error codes
16 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 128 KB
Whirlpool refrigerator error codes
8 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 103 KB
Whirlpool washer error codes
36 cross-checked codes with meaning, most likely causes and first checks.
Lifetime accessPDF · 180 KB
OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work. Error-code sheets list codes only; meanings can vary by model and control, so confirm with the model's tech sheet.